Greek, affiliate, associate, bargainer, belonger, brother, business agent, card-carrier, card-carrying member, charter member, clubber, clubman, clubwoman, committeeman, comrade, conventioneer, conventioner, conventionist, dues-paying member, enlistee, enrollee, fellow, fraternity man, guildsman, honorary member, initiate, insider, joiner, labor organizer, life member, member, negotiator, one of us, organizer, pledge, shop steward, sister, socius, sorority girl, sorority woman, trade unionist, union member, union officer, unionist

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