The kite runner chapter 1-5

Amir's most loyal and devoted servant, who is born with a cleft lip. He and Amir were nursed by the same woman and, unbeknownst to them both, they are half-brothers. Hassan is bigger and tougher than Amir. He has a cleft lip which is a congenital split in the upper lip on one or both sides of the center. You need to submit your other questions one at a time.