The Open Dictionary

agent provocateur

noun

UK/ˌæʒ.ɑ̃ː prəˌvɒk.əˈtɜːʳ/
US/ˌɑːʒ.ɑ̃ː proʊˌvɑː.kəˈtɝː/

Definitions of agent provocateur noun

  1. Countable

    A person who secretly encourages others to engage in illegal activities, often to instigate their arrest.

    • It is said that the police placed undercover agents provocateurs to incite the protesters into violent actions.

    • The organization accused the government of sending agents provocateurs to infiltrate their rallies to undermine their movement.

    • The agent provocateur was found to be inciting chaos among the crowd during the protest.