erc-remove-channel-user
erc-remove-channel-user is a compiled Lisp function in `erc.el
'.
(erc-remove-channel-user NICK)
This function is for internal use only.
Removes the user with nickname NICK from the `erc-channel-users'
list for this channel. If this user is not in the
`erc-channel-users' list of any other buffers, the user is also
removed from the server's `erc-server-users' list.
See also: `erc-remove-server-user' and `erc-remove-user'.