Examiner

(n.) One who examines, tries, or inspects; one who interrogates; an officer or person charged with the duty of making an examination; as, an examiner of students for a degree; an examiner in chancery, in the patent office, etc.

Thesaurus Entries

analyst, analyzer, asker, catechist, cross-interrogator, cross-questioner, detective, examinant, inquirer, inquisitionist, inquisitor, inspector, interlocutor, interpellator, interrogator, interrogatrix, interviewer, investigator, observer, opinion-sampler, poller, pollster, prober, querier, querist, questioner, questionist, quizzer, sampler, scrutineer, secret agent, tester, visitator, visitor