The Oxford Thesaurus An A-Z Dictionary of Synonyms - fellown.

1) man, boy, person, individual, gentleman, one, Colloq guy, chap, customer, kid, Brit bloke, Slang geezer, gink, US old-fashioned gazabo: There was a fellow here asking for you today. 2) colleague, associate, comrade, companion, ally, peer, compeer: He is going to meet some of his fellows at the club. 3) mate, match, counterpart, partner, complement, concomitant, accessory: I lost one glove last week and now have lost its fellow. 4) boyfriend, man, sweetheart, love, young man; lover, paramour, Formal suitor, Old-fashioned beau, Archaic swain, Slang guy: Bailey has been Sue's fellow for years. --adj. 5) associate(d) , affiliate(d) , allied, auxiliary, related: Ladies, not accorded membership in the men's club, belonged to a fellow organization. She shared her sandwiches with a fellow passenger.