on *:text:!support:#:{
  inc var 1
  set %supporter $+ var_you_set_above $nick
}

on *:text:!supporters:#:{
   set %search 1
 while $($+(%,support,%search),2) != $Null) {
  msg $nick $($+(%,support,%search),2)
  inc %search
}
}

 ~~~~~~~~~~~~~~~~~~~~~~~~~~~Has NOT been tested, set the var DIFFERENTLY FROM %SEARCH~~~~~~~~~~~~~~~