someone who causes a person or an animal great mental suffering and unhappiness, or great physical pain

Victims of oppression seldom have a chance to face their tormentors. 受压迫的受害者很少有机会面对给他们造成痛苦的人。

Both the children have encountered their former tormentors in the street. 两个孩子都在街上遇到了以前折磨过他们的人。