Throughout Othello there are many themes. There are themes like love, revenge, and miscommunication. Jealousy is also a common theme in the play. Iago, Othello, Emilia, Roderigo, and Bianca, all show at least a little bit of jealousy in their characters. Jealously is the most common theme between characters, and the most obvious theme in the play.
Throughout the whole book Iago is jealous. His whole lot in the book was based on his jealousy in the beginning for Cassio. Iago is jealous of Cassio because Cassio got the promotion that Iago wanted, and thought was better qualified for. An example of his jealousy is Iago saying, "Three great ones of the city, in personal suit to make me his lieutenant, off capp'd to him, and by the faith of man I know my price, I am worth no worse a place (act 1 scene 1). Iago's jealousy grows throughout the book with each twisted scheme he creates.
Othello doesn't show his jealousy until the middle of the book. Iago creates his jealousy. Othello get jealous because Iago makes him think Desdemona is sleeping with Cassio. His jealousy is often turned into anger because of iago's wrongdoings. Iago starts the jealousy by letting Othello watch he and Cassio talk while Othello thinks they are talking about Desdemona. Iago also points out how Cassio leaves in a hurry one time when Othello shows up. Othello's jealousy is vague throughout the book and most times is turned into anger. The result of his anger is the ending of the play when he kills Desdemona. His jealousy over-took him and turned into anger. Especially when Othello says, "hang her! And " I will chop her into messes (act 3 scene 4).
Bianca is jealous of one thing mainly, of Desdemona and Emilia. She does have an affair with Cassio, but she wants more. She thinks that he is also seeing someone else. Bianca accuses him of giving her another women's ha