Synonyms of informers

1 Syllable

crier, sneak, rat

2 Syllables

preacher, tattler, herald, betrayer, source

3 Syllables

notifier, announcer, adviser, accuser, blabbermouth, canary, journalist, messenger, reporter

4 Syllables

propagandist, tattletale, double-crosser, interviewer

6 Syllables

newscaster/newsperson