In the light of ghandis lamp. why does the jailer approach anita years later and ask for coffee?

The jailer approached Anita years later and asked for coffee because he wanted to make friends with her and probably, he realized the importance of "human dignity" when he heard her life's story and her singing while in jail.

Explanation:

The "Light of Ghandi's Lamp" is a story about the "apartheids'" struggle against the authorities such as the Police in Johannesburg. The story focuses on the capture of Anita and the narrator's (Anita's brother) thoughts on how she was doing in prison.

The narrator went to the station to know about her sister's condition and to tell them about how good of a person and sister she was. There he met Anita's jailer who looked gentler than what he imagined. Later on, he realized that the jailer actually lied to Anita about many things. He tried to destabilize her emotions but Anita counteracted it by singing songs and talking about her life. With these, Anita and Richard were sent home.