Who is Damu Anna as introduced in Chapter 25, and what does his introduction signify?

Damu Anna is introduced in Chapter 25 as a well-to-do Kasar (bronze-smith) from Ahmednagar who was a devoted follower of Sai Baba. His story is brought up to provide a tangible example of Sai Baba's love and mercy towards his followers. The chapter states that once a devotee establishes "one-pointed faith," Sai wards off all their misfortunes and grants their desires. Although the full story of Damu Anna is not narrated within this chapter, his introduction serves to illustrate the principle that the Guru-Mother is an "Ocean of Mercy" who removes the suffering of the faithful, promising a story that will fill the listeners' hearts with joy.