a secret agent who incites suspected persons to commit illegal acts

An operative sent to incite a target group to action for purposes of entrapping or embarrassing them.

Provocateur is a 1998 movie directed by Jim Donovan, written by Roger Kumble, and starring Lillo Brancato Jr. and Jane March. March plays Sook Hee, a North Korean agent who ingratiates herself into the household of Colonel Greg Finn (Stephen Mendel), stationed in South Korea, to access military secrets. While working as Finn's servant, Sook becomes acquainted with his son Chris (Brancato), and they fall in love.