Younger Brother is a character from the novel The Brothers Karamazov by Fyodor Dostoevsky. He is often seen as a representation of innocence and moral questioning, contrasting with the more cynical views of his family members. His struggles with faith and doubt reflect the broader themes of the novel, including the nature of good and evil. In the story, Younger Brother grapples with his relationships and the impact of his family's actions on his own beliefs. His character serves as a vehicle for exploring philosophical ideas, particularly regarding existentialism and theism, making him a pivotal figure in the narrative.