Answer :
Bruno is a lead character in the novel. Bruno's character is somehow interesting because of his curiosity. His family is rich, he is having a life stripped of difficulties. Of course, he is still a child and Bruno's curiosity might be related to his childishness. However, not every child is curious in the same way that most of them obey to their parents without complaining. Bruno's curiosity makes him befriended with a child from a completely different world.