THESAURUS
card carrier
Greek, affiliate, associate, belonger, brother, card-carrying member, cardholder, charter member, clubber, clubman, clubwoman, committeeman, comrade, conventioneer, conventioner, conventionist, dues-paying member, enlistee, enrollee, fellow, fraternity man, guildsman, honorary member, initiate, insider, joiner, life member, member, one of us, pledge, sister, socius, sorority girl, sorority woman
