regent
🇺🇸
/ˈriːdʒənt/
🇬🇧
/ˈriːdʒənt/
A person who temporarily rules a country when the monarch is unable to do so.
When the king was sick, his cousin became the regent and ruled the country in his place.
Referring to a person, usually of royal blood, who is ruling a country in place of the monarch.
During the king's illness, the Prince Regent managed the affairs of the state.