Agent provocateur noun – A secret agent who incites suspected persons to commit illegal acts. Fink and agent provocateur are semantically related. In some cases you can use "Fink" instead a noun phrase "Agent provocateur".
Fink noun – A person who provides information about another's wrongdoing. Agent provocateur and fink are semantically related. Sometimes you can use "Agent provocateur" instead a noun "Fink". Nearby Word: finking