| fink(noun, law, knowledge, slang) |
| snitch(noun, law, knowledge, slang) |
| snitcher(noun, law, knowledge, slang) |
| sneak(noun, source, gossip, informer) |
| betrayer(noun, source, grass, sneak) |
| whistle-blower(noun, source, grass, sneak) |
| turncoat(noun, source, grass, sneak) |
| Benedict Arnold(noun, expression, informer, rat) |
| 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, informer, rat) |
| defector(impostor, renegade, turncoat, hypocrite) |
| deserter(impostor, renegade, turncoat, hypocrite) |
| double-crosser(noun, source, grass, sneak) |
| hypocrite(impostor, renegade, turncoat, conspirator) |
| intriguer(impostor, renegade, turncoat, hypocrite) |
| miscreant(impostor, renegade, turncoat, hypocrite) |