fink Synonyms

snitch stool pigeon rat stoolie stoolpigeon informer scab snitcher informant mole nark tattletale sneak sneaker blackleg squeal turncoat squealer confess betrayer traitor canary telltale double-crosser weasel snake in the grass Benedict Arnold whistler tipster quisling fat mouth shoofly Sherlock Holmes rat on ratfink rat fink double agent defector deep throat dob blow the whistle grass up whistleblower buttinsky narc strikebreaker tattler intelligencer abaddon inform