When the soldiers grabbed Dokka by the shoulders and belt, tumbling him into the back of the truck and slamming his door, the relief falling over Akhmed was quickly peeled back by self-loathing, because he was alive, safe in his living room, while in the truck across the street, not twenty meters away, Dokka was a dead man.
-- Narrator (Chapter 1 paragraph 8)

Importance: Akhmed is watching as Dokka is arrested. He is describing survivor's guilt. Dokka is arrested and never returns.

He was an incompetent doctor but a decent man, he believed, compensating for his professional limitations with his empathy for the patient, his understanding of pain.
-- Narrator (Chapter 3 paragraph 2)

Importance: This is referring to Dokka and this is a core piece of information about his character. He knows that he isn't a good doctor but he truly believes that his kind heart and good intentions make up for at least some of this.

For a quarter century his...
-- Narrator (Chapter 5 paragraph 15)