Baba, who was considered a hero and leader in Kabul, believes how “there is only one sin, only one. And that is theft” (Hosseini 17). Baba immensely adheres to his belief, illustrating his strong, bold character. Throughout Amir’s life, Baba has always taught Amir this one lesson. However, when Amir discovers that Hassan was his half-brother and the biological son of Baba, Amir realizes how Baba has stolen Hassan’s and his rights to the truth, compelling Amir to question Baba’s character.