persuader [pə'sweɪdə]

例句:

• The modern leader is a negotiator and a persuader rather than a dictator.
  现代的领导者应该是谈判家和劝说家,而不是独裁者.
  
• The illusion of cleanliness or freshness is a particularly powerful persuader—and marketers know it.
  来自WSJ
• For one, it's hard to know which half is dominant at any given moment, the cool persuader or the hot debater.
  来自WSJ
• Politics is ultimately about persuasion, and he regards himself not so much as the Great Communicator but as the Great Persuader.
  来自MSN