911chaxun查询·英语单词
名词篡夺者，篡位者，霸占者
1. 篡夺者；篡位者；侵占者
A usurper is someone who takes another person's title or position when they have no right to.
noun
1. usurper
1. one who wrongfully or illegally seizes and holds the place of another
Synonym: supplanter