勒索者

• extortioner
• wringer
• blackmailer
• exactor
• flayflint
• extortionist
• racketeer

例句

1. 保护费诈骗勒索者为免于被起诉而向官员提供的贿赂
   Bribes paid to officials by racketeers for immunity from prosecution.
2. 勒索者把他的钱榨得一乾二净。
   The blackmailers bled him for every penny he had.