| snitch(noun, law, person, knowledge, slang) |
| informer(noun, law, person, knowledge, source) |
| snitcher(noun, law, person, knowledge, slang) |
| traducer(noun, bad, evil, impostor) |
| betrayer(source, grass, sneak, informer) |
| sneak(source, gossip, grass, informer) |
| whistle-blower(source, sneak, informer, rat) |
| traitor(noun, person, rascal, scoundrel) |
| Benedict Arnold(expression, impostor, renegade, turncoat) |
| Judas(impostor, renegade, turncoat, hypocrite) |
| apostate(impostor, renegade, turncoat, hypocrite) |
| back-stabber(impostor, renegade, turncoat, hypocrite) |
| backslider(impostor, renegade, turncoat, hypocrite) |
| conspirator(impostor, renegade, turncoat, hypocrite) |
| deceiver(source, sneak, rat, impostor) |
| double-crosser(source, grass, sneak, informer) |
| hypocrite(impostor, renegade, turncoat, conspirator) |
| intriguer(impostor, renegade, turncoat, hypocrite) |
| miscreant(impostor, renegade, turncoat, hypocrite) |
| quisling(impostor, renegade, turncoat, hypocrite) |