At the end of "Othello" story, some characters were fated to die. There was not only element; a villain of Iago took advantage of everyone toward his goal, but also had other causes to lead the tragic end. In order to discuss responsibilities for tragic outcome of "Othello", there could divide into several parts.
             First of all, most powerful influence of tragic outcome was by the villain of Iago. Hostility of Iago was against Othello because Othello had appointed the great position of lieutenant for Michael Cassio, but not for Iago who considered himself more qualified than Cassio to serve as lieutenant. Iago felt betrayed, so he was able to manipulate others to do things in a way that benefits him and moved him closer toward his goals. He was the main driving force in this play, pushing Othello and everyone else towards their tragic end. On the other hand, if evil of Iago did not take advantage of everyone toward his goal in this story, the tragic end would not occur at least.
             Next is tragic hero of Othello whose tragic fault was his gullibility in believing Iago and distrusted his wife. Even he was superior and respected by everyone, he had no way of knowing about women and domestic life. Apparently, his jealous
             blindly tended to take everything that he saw and Iago told he everything at face value without questioning the circumstances. If Othello did not insecure over Desdemona and communicated with her that Iago could not have a chance to control Othello into killing Desdemona.
             Furthermore, Emilia, the wife of Iago, was unforeseeable her and others death by taking handkerchief for Iago who wooed Emilia hundred times to steal it from Desdemona. Even Emilia didn't know what purpose of Iago was, she still stole handkerchief to please her husband. However, Desdemona's handkerchief itself appeared to exert unusual powers. For example, Othello saw the handkerchief as proof of Desdemo
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