betrayer
WordReference English Thesaurus © 2025
Synonyms:
informer, renegade, deceiver, conspirator, traitor, informant, stool pigeon , stoolie , squealer , fink , rat Collocations , narc , nark , snitch , turncoat, whistle-blower , Judas, Judas Iscariot, tattletale , telltale , quisling, collaborator