For The Cay you should use external conflict, it will help your advancement to the plot of the story
Answer:
THE BANKER: The banker, who is young, affluent, and somewhat irresponsible at the start of the play, believes that death is better than life imprisonment and is the one who makes the famous bet with the lawyer. His fortunes have failed him in his latter years, and his money has diminished, turning him into a desperate man. The banker, like the ordinary people that the lawyer begins to loathe, is ruled by his desire to retain his fortune at all costs. He chooses to assassinate the lawyer the night before the bet is due to his worry that the lawyer would become wealthy and successful with his money, while he will become a beggar. The banker is tortured with remorse and self-hatred for placing the bet in the first place after seeing the lawyer's message and learning what he has been through physically and psychologically. Nonetheless, he decides to keep the letter hidden in his safe to protect himself from the lawyer's probable retaliation. The banker is a multifaceted figure who reflects both unfavorable and salvageable aspects about the human condition.
THE LAWYER: Initially, the lawyer claims that life imprisonment is better than capital sentence. In accepting to the bet, he demonstrates the same rashness as the banker, and he is foolish in prolonged his sentence for the sake of some mistaken pride. Unlike the banker, though, he is solely responsible for his own safety. As the years pass in his cell, he matures, finally dedicating himself to reading as much as he can and developing his mind. He is a completely altered man by the conclusion of his 15-year term—extremely knowledgeable yet absolutely disdainful of all worldly goods, believing that they are deceptive mirages that blind people to the transience of existence. He is resentful of others and considers himself superior to those who have "bartered heaven for earth," i.e., those who live in sin.By the conclusion of his term, the lawyer is so thin that he is difficult to look at, prematurely aged, and seems unwell, according to the banker. This outer image is in stark contrast to the lawyer's inner sense that he has improved. He eventually abandons the bet by leaving his cell only five hours before his earnings are to be distributed.
THE WATCHMAN: Although the banker's watchman is primarily missing from the story, he is present to ensure that the lawyer does not flee. The watchman has undoubtedly sought cover from the terrible weather and gone asleep when the banker attempts to sneak into the garden wing late at night before the bet is supposed to terminate. Later, he rushes to the banker to inform him that the lawyer has fled by climbing through the window.
