What was Sai Baba's perspective on caste and social hierarchy as portrayed in this chapter?

Chapter 7 portrays Sai Baba as someone who completely transcended caste and social distinctions. The text explicitly states that for one who is surrendered to God, caste does not matter in the slightest, whether they are Shudra or an outcaste. It emphasizes that Baba had no ego regarding the body and treated all castes equally, with no distinction of birth. This is illustrated by the fact that the 'best of Brahmins' and even proud Agnihotris (keepers of the sacred fire) would abandon their pride and prostrate before him. His indifference to purity norms is further shown by the mention that his mind felt no disgust even if a dog were to put its mouth in the food.