Betrayer (3)
'betrayer' is the definition.
(Judas is an example)
This is all the clue.
(Other definitions for judas that I've seen before include "Disloyal person" , "Peep-hole" , "The most notorious traitor of all" , "Christian name of Iscariot, traitor" , "Biblical traitor, for 30 pieces of silver" .)
'betrayer' is the definition.
(synonyms)
This is all the clue.
(Other definitions for double-crosser that I've seen before include "Betrayer, deceiver" , "who signs off with two kisses?" , "Cheat" .)
'betrayer' is the definition.
(I know that betrayer can be written as traitor)
This is the entire clue.
(Other definitions for traitor that I've seen before include "Someone guilty of treason" , "Rat riot (anag.)" , "Betrayer of a country" , "Double-crosser" , "Treasonous individual" .)
'betrayer' is the definition.
(synonyms)
This is all the clue.
(Other definitions for rat that I've seen before include "Betray like a rodent" , "that gets out of stricken vessel" , "Strike-breaker" , "Rodent; traitor" , "Abandon" .)