説せつ明めい者しゃ

noun

explainer; expositor; elucidator

A person who explains or expounds something, often in a formal or instructional context. Less common than 説明する人 in everyday speech.

• 彼かれは新あたらしい政せい策さくの説せつ明めい者しゃとして記き者しゃ会かい見けんに臨のぞんだ。

  He faced the press conference as the explainer of the new policy.