Traitor (3)
'traitor' is the definition.
(rat can mean a treacherous person)
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.
(Judas is an example)
This is all the 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" .)
'traitor' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for turncoat that I've seen before include "'Renegade, traitor (8)'" , "Traitor with reversed garment" , "One betraying party" , "Actor nut may be a traitor" , "Deserter to opposition" .)
'traitor' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for renegade that I've seen before include "Rebel deserter" , "Betrayer, deserter" , "Turncoat, rebel" , "Traitor" , "One who deserts cause or faith" .)