How and Where Did the Book Show That It Has Betrayal as the Main Theme?

How and where did the book show that it has betrayal as the main theme?

The Kite Runner is about friendship to betrayal, through out the book. It first shows how Amir betrayed Hassan, then Amir betrayed his own father, and through out the book, Baba betrayed Ali, Amir, Hassan, Rahim Khan, and his own wife, having sex with his own servantЎ¦s wife, Sanaubr

Amir, the son of Baba, is keen in kite running. As he grew up with the house servantЎ¦s son, Hassan, they were very close to each other. They played with each other, spent time together reading stories, and most importantly, Hassan treated Amir as a friend, a friend that he is so loyal to that he would protect him by all means, even if he had a slingshot in his hand only. A slingshot, something thatЎ¦s not very destructive, and wouldnЎ¦t do much good to the situation usually, but he did. Hassan protected Amir from Assef, just with a slingshot. He stood up against Assef, a boy whoЎ¦s much older, and stronger than him, and said Ў§Please leave us alone, Agha.ЎЁ( page39 ) twice, even after AssefЎ¦s threatening, he still stood there, between Assef and Amir, protecting him with his slingshot.