Synonyms of betrayer in English:

betrayer


See US English definition of betrayer

See UK English definition of betrayer

noun

1

SYNONYMS
traitor, back-stabber, Judas, double-crosser
renegade, quisling, fifth columnist, double agent, collaborator, informer, mole, stool pigeon
turncoat, defector, apostate, deserter
fraternizer, colluder, false friend
informal snake in the grass, rat, scab, stoolie, nose
British informal nark, grass, supergrass
North American informal fink
rare traditor, renegado