fellow - noun

a boy or man

a friend who is frequently in the company of another

a person who is member of one's class or profession

one of a pair

a member of a learned society

an informal form of address for a man

a man who is the lover of a girl or young woman

fellow - thesaurus

associate   beau   blighter   bloke   boyfriend   buster   chap   colleague   companion   comrade   confrere   cuss   dude   familiar   fella   feller   gent   lad   mate   swain