A person who conducts an interview; the interviewer who asks questions in job, school, or other interviews.
面接官が複数人いて、順番に質問を受けた。
There were several interviewers, and I was questioned by them in turn.
面接官には結論だけでなく、その理由もしっかり説明するように心がけた。
I made sure to explain not only my conclusions but also the reasons to the interviewer.
緊張して面接官の質問にうまく答えられなかった。
I was nervous and couldn't answer the interviewer's questions well.