The Kite Runner is a novel by Khaled Hosseini based on Amir, whose closest friend is Hassan. In the novel Hosseini uses Assef, a member of the taliban, as the role of the villain archetype to demonstrate the impact he had on the entire conflict of the novel. From the beginning where he sexually assaulted Hassan, to the middle where he's shown as a huge part of the taliban, to the end where Amir and Assef finally meet.
In the beginning of the novel Hassan and Amir are often flying kites and even win a tournament with one being the last kite standing. After that win Assef and his friends wanted that kite when they caught Hassan in an alley but Hassan refused to give it up and Assef said, "there's nothing sinful about teaching a lesson to a disrespectful donkey (75)." Assef believes there's nothing wrong with what he's doing. It shows the way he thinks how punishing should be. Moments later when Assef is put to the ground and the narrator states ,"the heel of his snow boots crushing the back of Hassan's neck (75)." This reveals Assef's aggressiveness to hurt Hassan. How he wants him to suffer. Maybe Assef does this cause he was once a victim of assault himself.
Towards the middle of the book there is a scene showing the taliban. One of the scenes are at sporting event with a huge crowd when the taliban brings out two people that are completely covered the cleric says ,"God says that every sinner must be punished in a matter benefiting his sin. (270)". This reveals that the taliban believes that a sinner should suffer in the way they committed the sin. No matter how big the sin. Later still explaining he yells ,"WE SHALL THROW THE STONES BACK! (270)" The taliban believes that these sinners committed their sin by throwing stones at the windows of God's house. Therefor their punishment is getting hit by stones in front of many people. This is what Assef is involved in.
At the end of the novel Hassan dies and leaves a son Sohrab. Amir comes back from America to save Sohrab from the dangers of the taliban and violence in the Middle East. As Amir tries looking for him he gets thrown into a room where he finds himself face to face with Assef. Assef finds out about Amir and dislikes the way he lives and thinks he is a betrayer so he brutally beats him to the ground and Amir saying ,"lying on the floor, blood from my split upper lip staining the mauve carpet...(288)". This creates the imagine of Amir suffering on the ground. How he's dripping blood. Seconds later he considers trying to laugh but can't when he says ,"It hurt to laugh, hurt my jaws, my ribs, my throat. (289)" This reveal what he's going through to save Sohrab. Shows his consequences for moving to America.