erc-lurker-p
erc-lurker-p is a compiled Lisp function in `erc.el
'.
(erc-lurker-p NICK)
Predicate indicating NICK's lurking status on the current server.
Lurking is the condition where NICK has issued no PRIVMSG on this
server within `erc-lurker-threshold-time'. See also
`erc-lurker-trim-nicks' and `erc-lurker-ignore-chars'.