Definition of protagonist (n)

 

Bing Dictionary

pro·tag·o·nist

[ prō tággənist ]

1. main character: the most important character in a novel, play, story, or other literary work
2. main character in ancient Greek drama: in ancient Greek drama, the first actor who interacted with the chorus
3. leading figure: a main participant in an event such as a contest or dispute

Synonyms: character, hero, central character, leading role, good guy