| secret agent(noun, expression, idiom, plant, agent) |
| talebearer(noun, gossip, rat, canary, tattle) |
| weasel(noun, source, grass, sneak, decoy) |
| announcer(noun, sneak, reporter, informant, squealer) |
| blabber |
| blabbermouth(noun, source, gossip, sneak, reporter) |
| notifier(noun, sneak, reporter, canary, informant) |
| snake(noun, spy, sneak, reporter, rat) |
| source(noun, grass, sneak, decoy, rascal) |
| taleteller(noun, gossip, rat, canary, tattle) |
| communicator |
| double-crosser(noun, source, spy, grass, sneak) |
| prosecutor(noun, opposition, agent, villain, rebel) |
| ratfink(noun, gossip, sneak, reporter, rat) |
| snitcher(noun, law, person, knowledge, slang) |
| sycophant |
| tipster(noun, law, person, knowledge, informal) |
| turncoat(noun, source, spy, grass, sneak) |
| adviser(noun, sneak, reporter, informant, squealer) |
| appellant |