One who reveals confidential information in return for money.

synonyms: betrayer, blabber, rat, squealer.

Roget 938: accusation, charge, imputation, slur, inculpation, exprobration^†, delation; crimination; incrimination, accrimination^†, recrimination; tu quoque argument [Lat.]; invective etc. 932.    denunciation, denouncement; libel, challenge, citation, arraignment; impeachment, appeachment^†; indictment, bill of indictment, true bill; lawsuit etc. 969; condemnation etc. 971.    gravamen of a charge, head and front of one's offending, argumentum ad hominem [Lat.]; scandal etc. (detraction) 934; scandalum magnatum [Lat.].    accuser, prosecutor, plaintiff; relator, informer; appellant.    accused, defendant, prisoner, perpetrator, panel, respondent; litigant.    ... show more

Roget 527: information, enlightenment, acquaintance, knowledge etc. 490; publicity etc. 531; data etc. 467.    communication, intimation; notice, notification; enunciation, annunciation; announcement; communiqu_e; representation, round robin, presentment.    case, estimate, specification, report, advice, monition; news etc. 532; return etc. (record) 551; account etc. (description) 594; statement etc. (affirmation) 535.    mention; acquainting etc. v.; instruction etc. (teaching) 537; outpouring; intercommunication, communicativeness.    informant, authority, teller, intelligencer^†, reporter, exponent, mouthpiece; informer, eavesdropper, delator, detective; sleuth; mouchard^†, spy, newsmonger; messenger etc. 534; amicus curiae [Lat.].    valet de place, cicerone, pilot, guide; guidebook, handbook; vade mecum [Lat.]; manual; map, plan, chart, gazetteer; itinerary etc. (journey) 266.    hint, suggestion, innuendo, inkling, whisper, passing word, word in the ear, subaudition^†, cue, byplay; gesture etc. (indication) 550; gentle hint, broad hint; verbum sapienti [Lat.], a word to the wise; insinuation etc. (latency) 526.    information theory.    [units of information] bit, byte, word, doubleword [Comp.], quad word, paragraph, segment.    [information storage media] magnetic media, paper medium, optical media; random access memory, RAM; read-only memory, ROM; write once read mostly memory, WORM.    ... show more

Roget 534: messenger, envoy, emissary, legate; nuncio, internuncio^†; ambassador etc. (diplomatist) 758.    marshal, flag bearer, herald, crier, trumpeter, bellman^†, pursuivant^†, parlementaire [Fr.], apparitor^†.    courier, runner; dak^†, estafette^†; Mercury, Iris, Ariel^†.    commissionaire [Fr.]; errand boy, chore boy; newsboy.    mail, overnight mail, express mail, next-day delivery; post, post office; letter bag; delivery service; United Parcel Service, UPS; Federal Express, Fedex.    telegraph, telephone; cable, wire (electronic information transmission); carrier pigeon.    [person reporting news] (news) 532 reporter, gentleman of the press, representative of the press; penny-a-liner; special correspondent, own correspondent; spy, scout; informer etc. 527.    ... show more

Dutch: informant, aanbrenger, aangever, klikker, klikspaan, sycofant, tipgever, verklikker, verlinker