A Regent is a person appointed to administer a state because the monarch is a minor, absent, or incapacitated. This role is often temporary and can involve making important decisions on behalf of the ruler. Regents can be family members, trusted advisors, or other officials, and their authority can vary depending on the laws of the land. In some cases, a regent may have significant power, while in others, they might only act in an advisory capacity. Historical examples include the Duke of York, who served as regent for his brother, King George III, during periods of illness.