tormentor /tɔːˈmɛntə/

• 1. 

  N-COUNT Someone's tormentor is a person who deliberately causes them physical or mental pain. 折磨他人的人 [usu poss N]

  例：

  ...cases where women subjected to years of brutality lose control and kill their tormentors.

  ...常年遭受暴力的妇女失去控制并杀死折磨她们的人的案件。