From the beginning of the play, we clearly see the jealousy in Iago. This is seen with his dejection at being passed over for promotion to be Othello's lieutenant. Cassio, the "bean counter", got the job instead of Iago the experienced soldier. He just has to accept his loss. But, of course, he does not, and that becomes the driving force of the play. His strategy of dealing with loss is to strike back with vengeance and deception against Othello, who has humiliated him by passing over him for promotion. He stays close to Othello, acting as his best friend when he is actually deceiving Othello, “I am not what I am”. He is out to get back at Othello and he does this by creating an evil plan against him. Othello is in love with Desdemona and secretly marries her. He loves her and is willing to do anything for her. However, he is blinded by this love and allows jealousy to ruin their relationship. Jealousy is so destructive and has rendered Othello to become so vulnerable to the evil schemes by Iago. Iago uses Desdemona in his plan, and succeeds greatly.
Iago’s plan begins as he openly executes his plan of destruction, which incorporates jealousy as the key factor. He intends to