Jealousy, one of the seven deadly sins, is an emotion that ruin lives, and has proved true throughout history. Similar to envy, jealousy can take strong hold and a man and change his whole state of being and perception of those around him. It is why jealousy is frowned upon because of its harsh nature. In Shakespeare’s Othello, several characters are affected by jealousy. Othello, Brabantio, and Iago are among those most affected by jealousy. When Cassio is promoted to Lieutenant over Iago, He is consumed by feelings of jealousy and plans to harm Othello. Othello is enmeshed in jealousy when he believes that Cassio is having an affair with Desdemona. Brabantio is jealous of Othello after observing his relationship with his daughter. Jealousy is a cruel emotion that causes havoc among those who do not know how to control it. Jealousy, when uncatered to, is dangerous for the person it consumes as well those around them.
Iago is Othello’s right hand man, and when Othello decides to promote cassio over Iago, he is consumed by rage and jealousy. Feeling as though he deserved the promotion, Iago sets forth plans to ruin Othello and Desdemona’s future as a means of revenge. Iago believes that Cassio is no more special than he is, and that Cassio is less qualified for the lieutenant position:
One Michael Cassio, a Florentine,
(A Fellow almost damn 'd in a faire Wife)
That never set a Squadron in the Field,
Nor the division of a Battle knows
More than a Spinster. (Act 1, Scene 1,…