From LitWiki

The central character in a drama. It's derived from the Greek word agon, meaning “first struggler.”

Literary Terms

" Chief character in a play or story" (Holman 384).

" The word protagonist was originally applied to the first actor added to chorus and leaders in early Greek drama" (Holman 384).

Work Cited

Holman, Hugh C. A Handbook To Literature. New York: The Odyssey Press, 1936.