The term 'Commander Exercising Civil Power' is a job description for a Warlord, which is a person who exercises military, economic, and political control over a region. A Warlord is typically a powerful military leader who has the authority to make decisions and enforce them in a given area. This type of leader is often seen in times of war or civil unrest, when a central government is unable to maintain order. Warlords are usually not elected, but instead gain power through force or coercion.