成せい員いん

noun

member; regular member; active member

Refers to a person who belongs to a group, organization, or society, often with full or regular status. Slightly formal.

• 彼かれはクラブの成せい員いんです。

  He is a member of the club.

• 新あたらしく成せい員いんを募ぼ集しゅうしています。

  We are recruiting new members.