The theme of Deception in OthelloDeception is a statement or action that hides the truth. Throughout the play, Iago deceives Roderigo, Othello, Cassio, and Desdemona by capitalising on their referring to him as 'honest Iago'. Other characters who deceive are Emilia and Desdemona. The purpose of their deception is different from Iago's. Iago's intention for deceiving is evil. He uses deception to carry out his vengeance against Othello. He manipulates Cassio, Roderigo, and Othello using lies and half-truths.Iago's deceptive nature is brought to the core at the start of the play. He says; "I am not what I am"(Act 1, Scene 1). He also discloses the deceptive service he renders to the Moor: "Other there are who, trimmed in form and visages of duty/ Keep yet their hearts attending on themselves,/ And, throwing but show of service on their lords.../ And such a one do I profess myself/ Heaven is my judge, not I for love and duty"(Act 1, Scene 1). He informs Brabantio that his daughter, Desdemona, is with Othello, and tells Roderigo where to find the Moor: "... Lead to the Saggitary the raised search/And there will I be with him". Afterwards,