Greek, affiliate, appendage, arm, associate, belonger, bough, branch, brother, card-carrier, card-carrying member, cardholder, charter member, clubber, clubman, clubwoman, colleague, committeeman, comrade, conventioneer, conventioner, conventionist, cut, division, dues-paying member, enlistee, enrollee, fellow, fraternity man, guildsman, hand, honorary member, imp, initiate, insider, joiner, joint, leg, life member, limb, link, lobe, lobule, moiety, offshoot, one of us, organ, parcel, piece, pinion, pledge, portion, ramification, runner, scion, section, segment, sister, socius, sorority girl, sorority woman, spray, sprig, spur, switch, tail, tendril, twig, wing