diff --git a/nobilis b/nobilis
index e10fe48..de0ad86 160000
--- a/nobilis
+++ b/nobilis
@@ -1 +1 @@
-Subproject commit e10fe489f0b6b9ad10ada51b95b3bba88b44a511
+Subproject commit de0ad864dc63faae0312ddcc27390e6200112f23
diff --git a/src/renderer/src/app.css b/src/renderer/src/app.css
index 32690f6..87ee740 100644
--- a/src/renderer/src/app.css
+++ b/src/renderer/src/app.css
@@ -4625,6 +4625,15 @@ video.lightbox-media {
   color: var(--primary);
 }
 
+/* Not a rank and not a warning - a fact about what is behind the name. Kept
+   quiet: it belongs beside every one of a bot's lines, and a badge that loud
+   at that frequency would read as an alert. */
+.sender-badge.bot {
+  background: var(--surface-container-high);
+  color: var(--surface-variant-text);
+  letter-spacing: 0.04em;
+}
+
 /* The one badge that is a warning rather than a title: this message came
    from a device nobody has vouched for. Coloured like an error and left
    uncoloured nowhere else, because a doubt about who sent something is the
diff --git a/src/renderer/src/components/NickList.tsx b/src/renderer/src/components/NickList.tsx
index 8c5c5d7..751017b 100644
--- a/src/renderer/src/components/NickList.tsx
+++ b/src/renderer/src/components/NickList.tsx
@@ -35,6 +35,22 @@ export type ModerationAction = 'kick' | 'ban' | 'mute' | 'op' | 'deop' | 'voice'
  * person reads the same way in both places. An unfamiliar word keeps its own
  * first letters rather than being dropped.
  */
+/**
+ * What hovering a member says about them.
+ *
+ * Everything the network has actually told us, and nothing it has not. On IRC
+ * that is now a hostmask and a services account where the server offered them
+ * — the two facts that say which *person* a nick belongs to — and on every
+ * other service it stays what it was.
+ */
+function memberTitle(member: Member): string {
+  const lines = [member.nick]
+  if (member.account) lines.push(`identified as ${member.account}`)
+  if (member.host) lines.push(member.host)
+  if (lines.length === 1 && member.userId) return member.userId
+  return lines.join('\n')
+}
+
 function shortBadge(prefix: string): string {
   const short: Record<string, string> = {
     broadcaster: 'HOST',
@@ -540,7 +556,7 @@ function MemberRow({
         className={classes('nick-row', member.away && 'away', blocked && 'blocked')}
         onContextMenu={open}
         onClick={onMention}
-        title={member.userId || member.nick}
+        title={memberTitle(member)}
       >
         {/* IRC's rank is one character and sits in a fixed slot before the
             name. Kick's is a word - "moderator", "subscriber" - which
@@ -558,6 +574,14 @@ function MemberRow({
             {shortBadge(member.prefix)}
           </span>
         )}
+        {/* The network's own word for it, not a guess from the name. Drawn
+            after the nick like any other badge, and only where the network
+            actually said so. */}
+        {member.bot && (
+          <span className="sender-badge small bot" title="The network says this one is a program">
+            BOT
+          </span>
+        )}
         {blocked && <Icon name="block" size={12} />}
       </button>
       {menu && <ContextMenu x={menu.x} y={menu.y} entries={entries} onClose={close} />}
diff --git a/src/shared/wire.ts b/src/shared/wire.ts
index d3b2428..9e5ea5e 100644
--- a/src/shared/wire.ts
+++ b/src/shared/wire.ts
@@ -471,6 +471,24 @@ export interface Member {
   prefix?: string
   away?: boolean
   userId?: string
+  /**
+   * `user@host`, where the network says. IRC only, and absent until somebody
+   * has told us — a WHO on join, `userhost-in-names`, or a line from them.
+   *
+   * Carried because it is what identifies a *person* rather than a name: a
+   * nick is theirs only while they hold it, and an ignore or a ban keyed on
+   * one is undone the moment they change it.
+   */
+  host?: string
+  /**
+   * The services account they are signed in to, where the network says.
+   *
+   * Distinct from the nick: anybody can take a free nick, and only the
+   * account holder can be identified to it.
+   */
+  account?: string
+  /** The network's own word that this one is a program, not a person. */
+  bot?: boolean
   /** The roles this person holds here, by name. Discord only. */
   roles?: string[]
   powerLevel?: number