quizzer, interrogator, interviewer, analyst; see examiner, investigator.
doubter, scoffer, agnostic; see cynic, skeptic.
"questioner." YourDictionary, n.d. Web. 23 June 2018. <http://thesaurus.yourdictionary.com/questioner>.
questioner. (n.d.). Retrieved June 23rd, 2018, from http://thesaurus.yourdictionary.com/questioner
One who inquires:
One who conducts an official inquiry, usually with no regard for human rights:
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