hatchet man

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a professional killer
• Syn:
iceman
• Hypernyms:
murderer, liquidator, manslayer
2. one whose job it is to execute unpleasant tasks for a superior
• Syn:
enforcer
• Derivationally related forms:
enforce (for: enforcer)
• Hypernyms:
assistant, helper, help, supporter