Someone

on *:JOIN:#: {
if ($chan isin %dontpart) halt
else {
var %i = 0
while (%i <= $nick($chan,0)) {
:top
inc %i
if ($nick($chan,%i) == $me) goto top
elseif ($nick($chan,%i) == Boot) part chan You dont need both of us!
elseif ($nick($chan,%i) == Boo) part chan You dont need both of us!
elseif ($nick($chan,%i) == Booter) part chan You dont need both of us!
}
}
}