What does Chapter 48 reveal about the ideal relationship between a Sadguru and their disciple, specifically regarding service and ego?

Chapter 48 provides deep insight into the selfless nature of the Sadguru-disciple relationship. It explicitly states that a true Sadguru never even dreams of receiving service from a disciple. Instead, a Sadguru is characterized by the wish to sacrifice their own body for the sake of the disciple. This chapter further explains that a Sadguru is a benefactor who is free from the egoism of thinking 'The disciple is an insignificant thing and the Guru is the greatest of the great.' They hold a fatherly love for the disciple, seeing them as the Supreme Brahman, and do not depend on them for their livelihood. This selfless, ego-free dynamic is presented as the mark of a superior Sadguru.