‘成员’ (chéng yuán) literally combines ‘成’ (chéng), meaning ‘to become’ or ‘to form’, and ‘员’ (yuán), meaning ‘person’ or ‘staff’. Together, they denote a person who belongs to a group, organization, team, or institution — essentially, a ‘member’. It’s a formal, neutral term used widely in social, professional, academic, and civic contexts, such as school clubs, companies, committees, or international bodies like the United Nations.

This word emphasizes affiliation and shared purpose rather than individual role or rank. Unlike colloquial terms like ‘人’ (rén, ‘person’) or ‘家伙’ (jiāhuo, ‘guy’), ‘成员’ carries institutional weight and is rarely used for casual or familial relationships (e.g., you wouldn’t call your sibling a ‘家庭成员’ in everyday speech — though it’s grammatically correct, ‘家人’ is more natural). It frequently appears in written Chinese, official announcements, and formal speech.