Synonyms of notifier

1 Syllable
crier, sneak, rat, criers
2 Syllables
stoolie, preacher, ratfink, tattler, herald, snitcher, betrayer, source
3 Syllables
announcer, adviser, accuser, blabbermouth, canary, canaries, journalist, messenger, reporter, informer, informers
4 Syllables
propagandist, tattletale, double-crosser, interviewer
6 Syllables
newscaster/newsperson