N-COUNT
鬧事者;搗亂分子;(尤指)煽動作亂者
If you refer to someone as a troublemaker, you mean that they cause unpleasantness, quarrels, or fights, especially by encouraging people to oppose authority.
例句
The regional governor has been given powers to outlaw strikes and expel suspected troublemakers.
地方長官被賦予禁止罷工、驅逐嫌疑鬧事者的權力。