Someone

ON *:JOIN:#: { 
  if ($chan == #irchelp) { /halt }
  set %thisuser $nick
  set %chan2whois $chan 
  whois $nick 
} 
raw 319:*:{ 
  if (%chan2whois) { 

    msg %chan2whois %thisuser Is On: $3- 
    unset %chan2whois 
  } 
}