Synonyms and related words :
Benedict Arnold, Brutus, Judas, Judas Iscariot, Quisling, accusant, accuser, adviser, allegator, announcer, annunciator, appellant, archtraitor, attestant, attestator, attester, authority, betrayer, blab, blabber, blabberer, blabbermouth, bystander, canary, channel, claimant, cockatrice, cojuror, communicant, communicator, complainant, compurgator, conniver, conspirator, conspirer, delator, deponent, double agent, double-crosser, double-dealer, earwitness, enlightener, expert witness, eyewitness, fink, gossipmonger, grapevine, grass, impeacher, impugner, indictor, informant, information center, information medium, interviewee, intrigant, intriguer, libelant, machinator, monitor, mouthpiece, narc, nark, newsmonger, notifier, party, passerby, peacher, petitioner, plaintiff, plotter, press, prosecutor, public relations officer, publisher, quisling, radio, rat, reporter, schemer, serpent, snake, snitch, snitcher, source, spectator, spokesman, spy, squealer, stool, stool pigeon, stoolie, suitor, swearer, talebearer, taleteller, tattler, tattletale, television, teller, telltale, testifier, the prosecution, timeserver, tipster, tout, traitor, treasonist, trimmer, turncoat, voucher, weasel, whistle-blower, witness