What is the main story about Devidas and the Fakir in Chapter 5?

Chapter 5 of the Sai Satcharitra recounts the story of Devidas, a wise individual who had settled in Shirdi twelve years before Sai Baba's arrival with the wedding party. He was highly respected and taught many villagers. The chapter describes an incident where a Fakir challenged Devidas to a scriptural debate. As detailed in the text, Devidas, with his wisdom and detachment, defeated the Fakir, who then fled to Vaijapur. Many years later, this same Fakir returned to Shirdi, his delusion of being a Guru dispelled, and he bowed to Sainath, becoming pure through repentance. This narrative, as told in Chapter 5, illustrates a profound lesson about humility and the true nature of a Guru.