复数
?勒索者
...ex... extortionate过高的，过分的，敲诈... extortioner勒索者，敲诈者... extortionist敲诈者；勒索者；强求...
?强夺者
... extinguish v.使熄 extortionist n.强夺者；敲诈者；过高要价 extract v.拔出；榨出；摘录 ...
?敲诈者
电话勒索
专利勒索
强求者
Both are suspected of making payments of millions of yen to a so-called "sokaiya" corporate extortionist, Terubo Tei, since 1995.
BBC: Japanese police raid Mitsubishi, Toshiba headquarters
There was some margin to overcome the folly of a diplomatic deal that helped North Korea's malign and extortionist regime survive.
FORBES: Freedom's Edge
That was the name used on ransom demands made by an extortionist who in 1984 poisoned the sweets made by two Japanese confectionery firms.
ECONOMIST: The crazies and their poison
勒索者；勒索钱财
blackmailer??/??wringer
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。