provoker

The provoker deliberately insulted everyone at the party to start a fight.

那个挑衅者在聚会上故意侮辱每个人，想挑起争斗。

用法提示：名词，指主动挑起事端的人。

Our team had to deal with a provoker who kept spreading false rumors about the project.

我们团队不得不应对一个不断散布关于该项目谣言的好事者。

用法提示：名词，指故意制造麻烦的人。

She is known as a provoker who enjoys watching others argue because of her comments.

她是个出了名的挑事者，喜欢看别人因她的言论而争吵。

用法提示：名词，指通过言语刺激他人的人。