Who in the Tarkhad family was described as a follower of the Prarthana Samaj?

The father, Babasaheb Tarkhad, was identified as a follower of the Prarthana Samaj. According to Chapter 9, this was a significant reason for his son's initial hesitation to travel to Shirdi. The son was deeply concerned about entrusting the daily idol worship to his father, questioning how it would be right to give that responsibility to him given his background. This detail highlights the son's deep commitment to the ritual and his initial doubt about his father's ability or willingness to perform it correctly.