Christian ethics offers a unique lens through which the complexities of leadership can be understood and addressed, especially within ecclesiastical administration. In a world increasingly fraught with ethical dilemmas and leadership failures, the exploration of Christian ethics as a foundation for good and bad leadership is both timely and necessary. This book, titled Christian Ethics: The Deontology of Good and Bad Leadership in Ecclesiastical Administration, aims to delve into the moral frameworks that guide leaders in their roles, with a particular emphasis on deontology, or the ethics of duty and obligation. This dissertation-like introduction seeks to outline the purpose of this book, the personal motivations of its author, Sekimonyo Shamavu, and the critical need for ethical discourse in addressing key challenges in ecclesiastical leadership. "Christian Ethics" is a timely and necessary contribution to the discourse on ethical leadership in the church. It is motivated by the personal experiences and spiritual convictions of its author, Sekimonyo Shamavu, and is grounded in a deep understanding of the challenges facing ecclesiastical leaders today.