role player
     n 1: a person who makes deceitful pretenses [syn: {imposter}, {impostor},
           {pretender}, {fake}, {faker}, {fraud}, {sham}, {shammer},
           {pseudo}, {pseud}]
     2: a theatrical performer [syn: {actor}, {histrion}, {player},
        {thespian}]
Source: WordNet® 2.0