Aside from the name itself, priests are referred to as father for multiple reasons: as a sign of respect and because they act as spiritual leaders in our lives. As the head of a parish, each priest assumes the spiritual care of his congregation. In return, the congregation views him with filial affection.
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.