Traitor (3)

'traitor' is the definition.
(rat can mean a traitor)
This is the entire clue.
(Other definitions for rat that I've seen before include "Cad" , "Destructive rodent" , "Unpleasant character" , "Domestic rodent" , "One deserting sinking ship" .)
'traitor' is the definition.
(I know that Judas is a type of traitor)
This is the entire clue.
(Other definitions for judas that I've seen before include "Biblical traitor, for 30 pieces of silver" , "The greatest betrayer" , "Biblical betrayer" , "Disloyal person" , "Peep-hole" .)