The theme of jealousy is apparent at the start of play. In a heated conversation between Iago and Roderigo (whom is in love with Desdemona) Iago expresses jealousy on Casio as Iago is not chosen as the lieutenant which he thinks he deserves to be: 'I know my price'. He then further criticises Casio is incapable of being a …show more content…
As Othello reunites with 'fine' Desdemona Iago expresses the victims are 'well-tuned for the pegs that make this music', suggesting Iago has thoughtfully planned his act which shows his commitment to destroy Othello and 'most happy' moments. To gain his place as a lieutenant Iago persuades Casio who has 'unhappy brains for drinking' to consume more alcohol in order to cause him to lose control and starts fighting. As expected Casio and Roderigo started a fight as Roderigo confronted Casio about his love for Desdemona. Pretending as an outsider Iago steps in, calls for 'goodly watch', causing Othello to step out and makes Casio 'nevermore an officer of mine'. While this incident shows Iago has the ability to manipulate characters it moreover shows Iago knows how to turn characters against each other: when Desdemona is offended by Iago ('her folly helped her to an heir') Casio holds her hand and defends for her is twisted into a sign of Casio's romantic interest with Iago and he uses his way deceive other characters in order to eliminate everyone in his acts of