Questioner

Noun

 * 1) A person who asks questions, or who conducts an official enquiry

Thesaurus
Paul Pry, Peeping Tom, asker, busybody, catechist, cross-interrogator, cross-questioner, detective, eavesdropper, examiner, gossip, inquirer, inquisitionist, inquisitive, inquisitor, interlocutor, interpellator, interrogator, interrogatrix, interviewer, nosy Parker, opinion-sampler, poller, pollster, prober, pry, querier, querist, questionist, quidnunc, quizzer, rubberneck, rubbernecker, sampler, scopophiliac, secret agent, sightseer, snoop, snooper, voyeur, yenta

Synonyms

 * inquirer
 * inquisitor
 * interrogator

Anagrams

 * requestion