Chapter 25 introduces a story about a devotee. Who is this devotee and what is the stated purpose of telling their story?

Towards the end of the provided text for Chapter 25, the narrative introduces the story of a devotee named Damu Anna. He is described as a well-to-do and wealthy Kasar (bronze-smith) from Ahmednagar who was devoted to Sai's feet. The chapter explicitly states the purpose of sharing his story. It is presented as a report to show Sai's profound love for His devotees and how He wards off their misfortunes once one-pointed faith is established. As mentioned in Chapter 25, listening to this "novel story" with reverence is intended to fill the listeners' hearts with joy and help their difficulties vanish.