Final answer:
In the play 'Othello', Iago fears the consequences if Cassio survives their confrontation.
Step-by-step explanation:
In the context provided, the subject of the question is a literary work, specifically the play 'Othello' by William Shakespeare. Iago is one of the main characters in the play. The phrase 'if Cassio survives the confrontation' refers to a plot point where Iago plans to manipulate a situation to cause harm to Cassio and create turmoil.
Iago's fear in this scenario is that if Cassio survives the confrontation, it could undermine his plan and expose his deceitful actions, potentially leading to his own downfall or punishment. This fear highlights Iago's cunning nature and the lengths he is willing to go to in order to achieve his malicious intentions.