The Question and Answer section for The Kite Runner is a great resource to ask questions, find answers, and discuss the novel.
This is a pretty broad question. I can comment on a specific scene if you have one.
Farid criticizes American wastefulness.
"It's always the same thing," Farid said. "Sell this land, sell that house, collect the money, and run away like a mouse. Go back to America, spend
the money on a family vacation to Mexico.
Amir, the main character, is also the narrator. The author doesn't need to reveal his name in the first few chapters because the reader knows the narrator is telling "his" story. The name is unimportant to the plot at this point in the novel.