diff --git a/src/components/elements/Userpic.jsx b/src/components/elements/Userpic.jsx
index 32b410f9..3f6e089c 100644
--- a/src/components/elements/Userpic.jsx
+++ b/src/components/elements/Userpic.jsx
@@ -6,10 +6,12 @@ import tt from 'counterpart'
 
 import CircularProgress from './CircularProgress'
 import { proxifyImageUrlWithStrip } from 'app/utils/ProxifyUrl';
+import LetteredAvatar from 'app/components/elements/messages/LetteredAvatar'
 
 class Userpic extends Component {
     static propTypes = {
         account: PropTypes.string,
+        disabled: PropTypes.bool,
         votingPower: PropTypes.number,
         showProgress: PropTypes.bool,
         progressClass: PropTypes.string,
@@ -21,6 +23,7 @@ class Userpic extends Component {
     static defaultProps = {
         width: 48,
         height: 48,
+        disabled: false,
         hideIfDefault: false,
         showProgress: false
     }
@@ -49,6 +52,8 @@ class Userpic extends Component {
             }
         }
 
+        let isDefault = false
+
         if (url && /^(https?:)\/\//.test(url)) {
             const size = width && width > 75 ? '200x200' : '75x75';
             url = proxifyImageUrlWithStrip(url, size);
@@ -57,9 +62,10 @@ class Userpic extends Component {
                 return null;
             }
             url = require('app/assets/images/user.png');
+            isDefault = true
         }
 
-        return url
+        return { url, isDefault }
     }
 
     votingPowerToPercents = power => power / 100
@@ -91,12 +97,20 @@ class Userpic extends Component {
     }
 
     render() {
-        const { title, width, height, votingPower, reputation, hideReputationForSmall, showProgress, onClick } = this.props
+        const { account, disabled, title, width, height, votingPower, reputation, hideReputationForSmall, showProgress, onClick } = this.props
+
+        const { url, isDefault } = this.extractUrl()
 
         const style = {
             width: `${width}px`,
             height: `${height}px`,
-            backgroundImage: `url(${this.extractUrl()})`
+            backgroundImage: `url(${url})`
+        }
+
+        let lettered
+        if (isDefault) {
+            lettered = <LetteredAvatar name={account} size={height}
+                backgroundColor={disabled ? '#999' : undefined} />
         }
 
         if (votingPower) {
@@ -114,7 +128,9 @@ class Userpic extends Component {
                     <div className="Userpic__badge" title={tt('g.reputation')}>{reputation}</div>
                 </div>
        } else {
-            return <div className="Userpic" title={title} style={style} onClick={onClick} />
+            return <div className="Userpic" title={title} style={style} onClick={onClick}>
+                {lettered}
+            </div>
         }
     }
 }
diff --git a/src/components/elements/messages/AuthorDropdown/AuthorDropdown.scss b/src/components/elements/messages/AuthorDropdown/AuthorDropdown.scss
new file mode 100644
index 00000000..f5437490
--- /dev/null
+++ b/src/components/elements/messages/AuthorDropdown/AuthorDropdown.scss
@@ -0,0 +1,28 @@
+.AuthorDropdown {
+    padding: 0.5rem;
+
+    .link {
+        font-weight: bold;
+    }
+
+    .last-seen {
+        font-size: 95%;
+    }
+
+    .btns {
+        min-width: 250px;
+        width: 100%;
+    }
+    .btn {
+        float: right;
+        margin-right: 0.5rem !important;
+        margin-top: 0.5rem;
+        padding-top: 0.5rem;
+        padding-bottom: 0.5rem;
+
+        .title {
+            vertical-align: middle;
+            margin-left: 5px;
+        }
+    }
+}
diff --git a/src/components/elements/messages/AuthorDropdown/index.jsx b/src/components/elements/messages/AuthorDropdown/index.jsx
index 090a7422..3456bd56 100644
--- a/src/components/elements/messages/AuthorDropdown/index.jsx
+++ b/src/components/elements/messages/AuthorDropdown/index.jsx
@@ -3,6 +3,15 @@ import {connect} from 'react-redux'
 import { withRouter } from 'react-router'
 import { Link } from 'react-router-dom'
 import tt from 'counterpart'
+import cn from 'classnames'
+
+import ExtLink from 'app/components/elements/ExtLink'
+import Icon from 'app/components/elements/Icon'
+import TimeAgoWrapper from 'app/components/elements/TimeAgoWrapper'
+import transaction from 'app/redux/TransactionReducer'
+import { getRoleInGroup } from 'app/utils/groups'
+
+import './AuthorDropdown.scss'
 
 class AuthorDropdown extends React.Component {
     constructor(props) {
@@ -11,20 +20,121 @@ class AuthorDropdown extends React.Component {
         }
     }
 
+    btnClick = (e, isBanned) => {
+        e.preventDefault()
+        const { author, username, the_group } = this.props
+        if (!the_group) {
+            return
+        }
+        this.setState({submitting: true})
+
+        const member_type = isBanned ? 'member' : 'banned'
+        this.props.groupMember({
+            requester: username, group: the_group.name,
+            member: author,
+            member_type,
+            onSuccess: () => {
+                this.setState({submitting: false})
+                document.body.click()
+            },
+            onError: (err, errStr) => {
+                this.setState({submitting: false})
+                alert(errStr)
+            }
+        })
+    }
+
     render() {
-        const { author } = this.props
-    	return <div>{author}</div>
+        const { author, authorAcc, the_group, account } = this.props
+
+        let lastSeen
+        if (authorAcc && authorAcc.last_seen) {
+            lastSeen = authorAcc.last_seen
+        }
+
+        let isModer
+        if (the_group && account) {
+            const { amModer } = getRoleInGroup(the_group, account.name)
+            isModer = amModer
+        }
+
+        let banBtn
+        if (isModer) {
+            const isBanned = authorAcc && authorAcc.member_type === 'banned'
+            banBtn = <button className={cn('button hollow small btn', {
+                alert: !isBanned,
+                banned: isBanned,
+            })} onClick={e => this.btnClick(e, isBanned)} disabled={this.state.submitting}>
+                <Icon name='ionicons/ban' />
+                <span className='title'>{isBanned ? tt('group_members_jsx.unban') :
+                    tt('group_members_jsx.ban')}</span>
+            </button>
+        }
+
+        return <div className='AuthorDropdown'>
+            <div className='link'>
+                <ExtLink to={'@' + author} service='blogs'>{'@' + author}</ExtLink>
+            </div>
+            {lastSeen ? <div className='last-seen'>
+                {tt('messages.last_seen')}
+                <TimeAgoWrapper date={`${lastSeen}`} />
+            </div> : lastSeen}
+            <div className='btns'>
+                {banBtn}
+            </div>
+        </div>
     }
 }
 
 export default withRouter(connect(
     (state, ownProps) => {
+        const currentUser = state.user.get('current')
+        const accounts = state.global.get('accounts')
+
+        let authorAcc = accounts.get(ownProps.author)
+        authorAcc = authorAcc ? authorAcc.toJS() : null
+
+        let the_group = state.global.get('the_group')
+        if (the_group && the_group.toJS) the_group = the_group.toJS()
+
+        const username = state.user.getIn(['current', 'username'])
 
         return {
+            username,
+            authorAcc,
+            the_group,
+            account: currentUser && accounts && accounts.toJS()[currentUser.get('username')],
         }
     },
     dispatch => ({
-        deleteGroup: ({ owner, name, password, }) => {
-        }
+        groupMember: ({ requester, group, member, member_type,
+        onSuccess, onError }) => {
+            const opData = {
+                requester,
+                name: group,
+                member,
+                member_type,
+                json_metadata: '{}',
+                extensions: [],
+            }
+
+            const plugin = 'private_message'
+            const json = JSON.stringify(['private_group_member', opData])
+
+            dispatch(transaction.actions.broadcastOperation({
+                type: 'custom_json',
+                operation: {
+                    id: plugin,
+                    required_posting_auths: [requester],
+                    json,
+                },
+                username: requester,
+                successCallback: onSuccess,
+                errorCallback: (err, errStr) => {
+                    console.error(err)
+                    if (onError) onError(err, errStr)
+                },
+            }));
+        },
     }),
 )(AuthorDropdown))
diff --git a/src/components/elements/messages/LetteredAvatar/LetteredAvatar.css b/src/components/elements/messages/LetteredAvatar/LetteredAvatar.css
new file mode 100644
index 00000000..76433114
--- /dev/null
+++ b/src/components/elements/messages/LetteredAvatar/LetteredAvatar.css
@@ -0,0 +1,17 @@
+.lettered-avatar-wrapper {
+    text-align: center;
+}
+
+.lettered-avatar-wrapper.light {
+    color: #000;
+}
+
+.lettered-avatar-wrapper.dark {
+    color: #fff;
+}
+
+.lettered-avatar {
+    white-space: nowrap;
+    overflow: hidden;
+    font-size: 24px;
+}
diff --git a/src/components/elements/messages/LetteredAvatar/colors.js b/src/components/elements/messages/LetteredAvatar/colors.js
new file mode 100644
index 00000000..05f85bd1
--- /dev/null
+++ b/src/components/elements/messages/LetteredAvatar/colors.js
@@ -0,0 +1,28 @@
+export const defaultColors = [
+    '#e25f51',// A
+    '#f26091',// B
+    '#bb65ca',// C
+    '#9572cf',// D
+    '#7884cd',// E
+    '#5b95f9',// F
+    '#48c2f9',// G
+    '#45d0e2',// H
+    '#48b6ac',// I
+    '#52bc89',// J
+    '#9bce5f',// K
+    '#d4e34a',// L
+    '#feda10',// M
+    '#f7c000',// N
+    '#ffa800',// O
+    '#ff8a60',// P
+    '#c2c2c2',// Q
+    '#8fa4af',// R
+    '#a2887e',// S
+    '#a3a3a3',// T
+    '#afb5e2',// U
+    '#b39bdd',// V
+    '#c2c2c2',// W
+    '#7cdeeb',// X
+    '#bcaaa4',// Y
+    '#add67d'// Z
+]
diff --git a/src/components/elements/messages/LetteredAvatar/index.jsx b/src/components/elements/messages/LetteredAvatar/index.jsx
new file mode 100644
index 00000000..909cdda3
--- /dev/null
+++ b/src/components/elements/messages/LetteredAvatar/index.jsx
@@ -0,0 +1,98 @@
+// Copyright (c) https://github.com/ipavlyukov/react-lettered-avatar
+// The MIT License
+import React, { Component } from "react";
+import PropTypes from "prop-types";
+
+import { defaultColors } from "./colors";
+
+import "./LetteredAvatar.css";
+
+class LetteredAvatar extends Component {
+  render() {
+    const {
+      name,
+      color,
+      backgroundColors,
+      backgroundColor,
+      radius,
+      size,
+    } = this.props;
+    let initials = "",
+      defaultBackground = "";
+
+    const sumChars = (str) => {
+      let sum = 0;
+      for (let i = 0; i < str.length; i++) {
+        sum += str.charCodeAt(i);
+      }
+      return sum;
+    };
+
+    // GET AND SET INITIALS
+    const names = name.split(" ");
+    if (names.length === 1) {
+      initials = names[0].substring(0, 1).toUpperCase();
+    } else if (names.length > 1) {
+      names.forEach((n, i) => {
+        initials += names[i].substring(0, 1).toUpperCase();
+      });
+    }
+
+    // SET BACKGROUND COLOR
+    if (/[A-Z]/.test(initials)) {
+      if (backgroundColor) {
+        defaultBackground = backgroundColor;
+      } else {
+        let colors = backgroundColors
+        if (backgroundColors && backgroundColors.length) {
+          colors = backgroundColors
+        } else {
+          colors = defaultColors
+        }
+        let i = sumChars(name) % colors.length
+        defaultBackground = colors[i]
+      }
+    } else if (/[\d]/.test(initials)) {
+      defaultBackground = defaultColors[parseInt(initials)];
+    } else {
+      defaultBackground = "#051923";
+    }
+
+    const fontSize = size / 2
+
+    const styles = {
+      color,
+      backgroundColor: `${defaultBackground}`,
+      width: size,
+      height: size,
+      lineHeight: `${size}px`,
+      borderRadius: `${radius || radius === 0 ? radius : size}px`,
+      fontSize: `100%`,
+    };
+    return (
+      <div
+        className={`lettered-avatar-wrapper dark`}
+        style={styles}
+        aria-label={name}
+      >
+        <div className="lettered-avatar" style={{ fontSize }}>{initials}</div>
+      </div>
+    );
+  }
+}
+
+LetteredAvatar.propTypes = {
+  name: PropTypes.string.isRequired,
+  color: PropTypes.string,
+  backgroundColor: PropTypes.string,
+  radius: PropTypes.number,
+  size: PropTypes.number,
+};
+
+LetteredAvatar.defaultProps = {
+  name: "Lettered Avatar",
+  color: "",
+  size: 48,
+};
+
+export default LetteredAvatar;
diff --git a/src/components/elements/messages/Message/Message.css b/src/components/elements/messages/Message/Message.css
index abde29ef..a874a7d8 100644
--- a/src/components/elements/messages/Message/Message.css
+++ b/src/components/elements/messages/Message/Message.css
@@ -26,6 +26,10 @@
     color: #0078C4;
     padding-bottom: 3px;
 }
+.msgs-message .bubble-container .author.banned {
+    text-decoration: line-through;
+    color: #999;
+}
 .msgs-message .bubble-container .avatar {
     width: 42px;
     margin-top: 14px;
diff --git a/src/components/elements/messages/Message/index.jsx b/src/components/elements/messages/Message/index.jsx
index 392f081f..692b7bf3 100644
--- a/src/components/elements/messages/Message/index.jsx
+++ b/src/components/elements/messages/Message/index.jsx
@@ -1,7 +1,9 @@
 import React from 'react';
+import {connect} from 'react-redux'
 import { Fade } from 'react-foundation-components/lib/global/fade'
 import { LinkWithDropdown } from 'react-foundation-components/lib/global/dropdown'
 import tt from 'counterpart';
+import cn from 'classnames'
 import { Asset } from 'golos-lib-js/lib/utils'
 
 import AuthorDropdown from 'app/components/elements/messages/AuthorDropdown'
@@ -11,7 +13,7 @@ import { displayQuoteMsg } from 'app/utils/MessageUtils';
 import { proxifyImageUrl } from 'app/utils/ProxifyUrl';
 import './Message.css';
 
-export default class Message extends React.Component {
+class Message extends React.Component {
     onMessageSelect = (idx, event) => {
         if (this.props.onMessageSelect) {
             const { data, selected } = this.props;
@@ -107,23 +109,30 @@ export default class Message extends React.Component {
         let author
         let avatar
         if (!isMine && group) {
+            const { authorAcc } = this.props
+            const isBanned = authorAcc && authorAcc.member_type === 'banned'
+
             if (startsSequence) {
-                author = <div className='author'>
+                author = <div className={cn('author', {
+                    banned: isBanned
+                })}>
                     {from}
                 </div>
 
                 avatar = <LinkWithDropdown
                     closeOnClickOutside
                     dropdownClassName="GroupDropdown"
-                    dropdownPosition="bottom"
-                    dropdownAlignment="center"
                     dropdownContent={<AuthorDropdown author={from} />}
                     transition={Fade}
                 >
-                    <Userpic account={from} title={'@' + from} width={32} height={32} />
+                    <Userpic account={from} title={'@' + from} width={32} height={32}
+                        disabled={isBanned} />
                 </LinkWithDropdown>
             }
-            avatar = <div className='avatar'>
+
+            avatar = <div className={cn('avatar', {
+                banned: isBanned
+            })}>
                 {avatar} 
             </div>
         }
@@ -156,3 +165,18 @@ export default class Message extends React.Component {
         );
     }
 }
+
+export default connect(
+    (state, ownProps) => {
+        const accounts = state.global.get('accounts')
+
+        let authorAcc = ownProps.data && accounts.get(ownProps.data.from)
+        authorAcc = authorAcc ? authorAcc.toJS() : null
+
+        return {
+            authorAcc,
+        }
+    },
+    dispatch => ({
+    }),
+)(Message)
diff --git a/src/redux/FetchDataSaga.js b/src/redux/FetchDataSaga.js
index d931dbf7..13def8b3 100644
--- a/src/redux/FetchDataSaga.js
+++ b/src/redux/FetchDataSaga.js
@@ -119,6 +119,7 @@ export function* fetchState(location_change_action) {
                         let query = {
                             group: path,
                             cache: Object.keys(space),
+                            accounts: true,
                             contacts: {
                                 owner: account, limit: 100,
                                 cache: Object.keys(conCache),
@@ -137,6 +138,13 @@ export function* fetchState(location_change_action) {
                         } else {
                             thRes = yield call(getThread)
                         }
+
+                        if (thRes.accounts) {
+                            for (const [n, acc] of Object.entries(thRes.accounts)) {
+                                state.accounts[n] = acc
+                            }
+                        }
+
                         console.log('proc:' + thRes._dec_processed)
                         if (the_group && thRes.error) {
                             the_group.error = thRes.error
diff --git a/src/redux/GlobalReducer.js b/src/redux/GlobalReducer.js
index 8f9cca60..c9b2db3e 100644
--- a/src/redux/GlobalReducer.js
+++ b/src/redux/GlobalReducer.js
@@ -469,6 +469,12 @@ export default createModule({
                 }
                 new_state = updateInMyGroups(new_state, group, groupUpdater)
                 new_state = updateTheGroup(new_state, group, groupUpdater)
+                new_state = new_state.updateIn(['accounts', member],
+                Map(),
+                acc => {
+                    acc = acc.set('member_type', member_type)
+                    return acc
+                })
                 return new_state
             },
         },