Synonyms to whistle-blower

tattletale, a tale-bearing animal, betrayer, blab, blabber, blabberer, blabbermouth, busybody, delator, fink, gossip, gossip columnist, gossiper, gossipmonger, informer, narc, newsmonger, newspaperman, peacher, quidnunc, reporter, rumormonger, scandalmonger, snitch, snitcher, spy, squealer, stool pigeon, stoolie, tabby, talebearer, taleteller, tattler, telltale, tipster, tittle-tattler, yenta, Benedict Arnold, Brutus, Judas, Judas Iscariot, Quisling, archtraitor, cockatrice, conniver, conspirator, conspirer, convict, criminal, crook, debaucher, deceiver, defiler, desperado, desperate criminal, despoiler, double agent, double-crosser, double-dealer, felon, fugitive, gallows bird, gangster, gaolbird, intrigant, intriguer, jailbird, lawbreaker, machinator, mobster, nark, outlaw, plotter, public enemy, quisling, racketeer, raper, rapist, rat, ravager, ravisher, schemer, scofflaw, seducer, serpent, snake, swindler, thi