Final answer:
Amir's relationship with Sohrab is ironic because it intertwines Amir's quest for redemption with his past betrayal of Hassan, confrontation with a shared tormentor, and the complexities of their roles as protector and victim in a violent world.
Step-by-step explanation:
The irony in Amir's relationship with Sohrab in The Kite Runner is multi-faceted. Firstly, Amir betrayed Hassan, Sohrab's father, when they were children, yet now seeks redemption by rescuing Sohrab. Secondly, this attempt at redemption brings Amir face to face with the same tormentor who had abused Hassan, highlighting a cruel twist of fate. Lastly, although Sohrab has been traumatized by the same conflicts that affected Amir's life, it is now Amir's responsibility as an adult to protect Sohrab, yet he struggles with this role due to his past and the continuing turbulence in their lives.