whistleblower Synonyms

whistle blower stool pigeon tipster fink turncoat telltale sycophant squealer spy snout nark snitch defector confidential informant blabtongue bigmouth beefer narc tattletale blabbermouth stoolie rooster renegade rat gossip fizgig finger deserter conspirator canary blabber bewrayer accuser grass hypocrite plant peacher outer mole leak jurat informer informant impostor abaddon