agent provocateur
nounNAmE//ˌɑʒɑæɪɡraveːÆ’ proʊˌvɑkəˈtər//
(pl. agents provocateurs NAmE//ˌɑʒɑæɪɡraveːÆ’ proʊˌvɑkəˈtər//
) (also provocateur) (from French)Check pronunciation: agent provocateur
Definition of agent provocateur noun from the Oxford Advanced American Dictionary