合作社社员 cooperator ; cooperative member

创社社员 Charter Member ; Charter Membership

环保社社团 Environmental protection society

红社社长 Red House Captain

桌游社社长 Board games club president

分社社长 Bureau chief

公社社会 communal society

社会保险､社会救助､社会福利 social insurance; social assistance and social welfare

社会主义社会基本矛盾 basic contradictions in the socialist society

社会群体与社会个体 social group(s) and social individual(s)