Abstract: We live in an era where genuine spirituality is under question. There is spiritual decline among church members today. Serving others is one of the elements of ethical leadership that can bring spiritual formation of church members However, lack of serving others set back the growth of spirituality among church members and results spiritual decline. The main purpose of this study is to explore the effect of serving others on the spiritual formation of church members in Wolaita Sodo Kale Heywet Church in Ethiopia.