What is the goal of main characters in boy striped pajamas?

Bruno, the main character in the book "The Boy in the Striped Pajamas, " does not have a specific goal. His life revolves around his experiences in the concentration camp, his friendship with Shmuel, and the gradual realization of the horrors that surround them. Bruno's primary objective is to understand his new environment, maintain his bond with Shmuel, and find a way out of the camp to return to his former life.