Based on the introduction to his story, how is Damu Anna's relationship with Sai Baba portrayed?

The introduction to Damu Anna's story in chapter 25 portrays him as a devotee with deep, one-pointed faith in Sai Baba. He is described as being "devoted to Sai's feet." The narrative uses his life as a prime example of Sai's promise to ward off the misfortunes of his devotees and grant their desires. A key piece of evidence for this special relationship is that after being childless with two wives, he was blessed with sons by receiving Sai's blessings. The author sets up his story to directly demonstrate Sai's readiness to protect His devotees, highlighting a relationship built on faith and divine grace.