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.
He is a member of the club.
We are recruiting new members.
Standard kanji spelling for 'member'.
Rare variant; 成員 is overwhelmingly more common.
Compound of 成 (sei, 'become, form') and 員 (in, 'member, personnel'), literally 'forming member'. The spelling 正員 uses 正 (sei, 'correct, regular') to emphasize regular or full membership, but this form is rare.