poller

a person who goes around and approaches people with a request for opinions or information data gathered by nationwide pollers showed the Republicans in the lead Synonyms interviewer, canvasser, pollsterRelated Words asker, inquirer, querier, querist, questionerNear Antonyms answerer, replier, responder; attester, informant, reporter, testifier, witnessAntonyms interviewee, pollee, respondent