what are the properties of protagonist
The (pro) tagonist is the hero!
Definition"
Etymology: Greek prOtagOnistEs, from prOt- prot- + agOnistEs competitor at games, actor, from agOnizesthai to compete, from agOn contest, competition at games -- more at AGONY
1 a : the principal character in a literary work (as a drama or story) b : a leading actor, character, or participant in a literary work or real event
Here are a couple of sites that will give you more information.
http://en.wikipedia.org/wiki/Protagonist
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