How do you describe barney in the book once?

In the book "Once" by Morris Gleitzman, Barney is portrayed as a kind-hearted and courageous character. He is a young Jewish boy navigating the dangers of World War II, showing resilience and hope despite the grim circumstances. Barney's innocence and determination to find his parents drive the narrative, revealing his deep emotional struggles and the impact of war on children. His character embodies the themes of friendship, love, and the quest for safety in a tumultuous world.