What happens to Arsat and brother?

In Joseph Conrad's novella "The Lagoon," Arsat's brother, who is deeply troubled and conflicted, ultimately meets a tragic end. Driven by jealousy and a desire for revenge, he confronts Arsat over the love of a woman, leading to a violent confrontation. Arsat, feeling guilt and responsibility for his brother's fate, is left to grApple with the consequences of their actions, ultimately reflecting on themes of love, betrayal, and the burden of choice. The story underscores the complexity of familial ties and the tragic outcomes of unresolved conflict.