Iago shows jealousness of Cassio because Cassio is chosen by othello to be lieutenant. He is jealous because he wanted to be lieutenant and he feels like he has the experience to be Othello's lieutenant. He doesn't think that cassio has the experience saying in (I I 21) “A fellow almost damn’d in a fair wife that never set a squadron in the field.”. Iago also shows jealousness towards Othello because Othello is with Desdemona a pure woman that he has feelings for. We can see that Iago is jealous of Othello and Desdemona by having the idea to awake Desdemona father in (I I 72) “Rouse him:- make after him, poison his delight.”. He tries to anger him about the poor Moor being with his daughter hoping that Brabantio will try to keep Othello away from Desdemona. He bad mouths Othello so …show more content…
He first spreads a rumor that Desdemona and Cassio have an affair which makes Othello jealous that cassio slept with his wife. Iago brings it up to him saying (4. 1. 37) “Ha! I like not that.” then othello questions him about it and he confesses it was Cassio. Othello is not certain that she is having an affair thinking they are just friends then Iago says (4. 1. 6-7) “or to be naked with her friend in bed an hour or more, and not mean harm” by saying this Othello starts to believe it. Iago brings out Othello’s bad qualities by making him jealous that Cassio and his wife slept together, eventually making Cassio kill