canvasser
  運動者,勸誘人,兜攬生意的人
  Can·vass·er n. One who canvasses.
  ◄ ►
  canvasser
       n 1: a petitioner who solicits contributions or trade or votes
            [syn: solicitor]
       2: someone who examines votes at an election [syn: scrutineer]
       3: someone who conducts surveys of public opinion; "a pollster
          conducts public opinion polls"; "a headcounter counts
          heads" [syn: pollster, poll taker, headcounter]
       4: a person who takes or counts votes