The definition for tragic hero is a literary character who makes a judgment error that inevitably leads to his own destruction. I think it rationally define the destiny of Othello. Othello is the protagonist and hero in the story. He won many battles and wars and earned his honor and status little by little, then eventually respected by people around him despite his race in that age. However, in the latter scene, he mistrusted Iago, the antagonist, who insinuated that his wife might cheated on him with Cassio. There are several factors caused his jealousy mainly including his race, age and lack of communication. His age is much older than his wife, Desdemona. Mostly importantly, lack of communication is the key factor caused his downfall of his honor. He eventually ended up with tragedy where he murdered his wife.