Certain denominations require a prospective pastor to be married before he can be ordained, based on the view (drawn from 1 Timothy 3 and Titus 1) that a man must demonstrate the ability to run a household before he can be entrusted with the church. Even in these strictest groups, a widower may still serve.
Who is the leader of the Protestant Church?
Martin Luther, often called the father of Protestantism, fundamentally changed the Christian world through his force of will and new ideas. He tried passionately to reform the Catholic Church.