How can the act of reading a biography like the 'Shri Sai Satcharita' be considered a form of public service that strengthens the devotee community?

Reading a detailed biography like the "Shri Sai Satcharita" transcends personal devotion and becomes a form of public service. As stated in Chapter 0, when a writer creates a Guru biography and other devotees study and perform Parayans of it, the writer gains the merit of serving "God in humanity (Jan-Janardan)" and public service. This communal engagement with the text helps other devotees achieve the purpose of their lives. The "Shri Sai Satcharita" is highlighted as a comprehensive work suitable for such activities, which foster a shared spiritual experience and strengthen the bonds within the community of followers.