Who is Damu Anna, and for what purpose is his story introduced at the end of the provided excerpts from Chapter 25?

As introduced in Chapter 25, Damu Anna was a well-to-do person from Ahmednagar, specifically a wealthy Kasar (bronze-smith), who was a devout follower of Sai Baba. His story is brought up to serve as a practical demonstration of Sai's immense love for his devotees and his power to intervene in their lives. The chapter prefaces his tale by stating that when a devotee establishes 'one-pointed faith,' Sai wards off all their misfortunes and grants their desires. Therefore, the story of this great devotee is presented as a pure and joyful account that will illustrate how the 'Guru-Mother is an Ocean of Mercy.'