The principal aim of this case study is to carry out thorough research to uncover the underlying themes about humans, humanity, and humanization within the novel–The Kite Runner— by Khaled Hosseini. This could be achieved through exploring the thoughts, experiences, interactions, and actions of the fundamental characters (Amir, his father, and Hassan respectively) By so doing, the theme of redemption, forgiveness, and guilt. remorse and the struggle for identity — could be uncovered. The significance of this study stems from the fact that: the readers of this article will gain a deep understanding and insights into human nature traits such as forgiveness, redemption, identity, selfishness, and selflessness. The study seeks to provide answers to such questions: How do the major characters depict the sense of humanity and humanization in an unrest social and political situation in Afghanistan? How does the forgiveness theme play a vital role in the humanization of the rich characters such as Assef and Baba? The study adopts the textual analysis method and closes critical reading appreciation techniques through which the complex characteristics of human nature are explored and studied. The findings of the study are represented in the Scrutiny of the rich themes and the deeper insights into human beings’ complex nature. Although this study has covered some essential themes, yet, further research can be conducted in more depth to fill the gap left uncovered.