How does the creation and study of a Guru's biography foster a sense of service and community among devotees?

Based on the preface in Chapter 0, the act of writing a detailed Guru biography is a form of 'Guru service' for the author. This service extends to the community when other devotees also study the work and perform Parayans. By facilitating this collective devotion, the writer gains the merit of serving 'God in humanity' (Jan-Janardan) and performing public service. Simultaneously, the other devotees who engage in the study of the biography are guided toward achieving the purpose of their lives, creating a shared spiritual benefit and strengthening the community around the Sadguru's teachings.