1. 
[syn: pollster, poll taker, headcounter, canvasser]
WordNet (r) 3.0 (2006):
pollster
    n 1: someone who conducts surveys of public opinion; "a pollster
         conducts public opinion polls"; "a headcounter counts
         heads" [syn: pollster, poll taker, headcounter,
         canvasser]
Moby Thesaurus II by Grady Ward, 1.0:
24 Moby Thesaurus words for "pollster":
   asker, catechist, cross-interrogator, cross-questioner, detective,
   examiner, inquirer, inquisitionist, inquisitor, interlocutor,
   interpellator, interrogator, interrogatrix, interviewer,
   opinion-sampler, poller, prober, querier, querist, questioner,
   questionist, quizzer, sampler, secret agent