Vizier (noun)

1. A high-ranking official in the government of some Islamic countries, especially in the Ottoman Empire and Persia.
2. A chief minister or counselor in a royal court or government.

Origin:

From arabic wazīr, from persian wazīr 'minister, counselor'.

Examples:

1. The vizier was the most powerful person in the kingdom after the king.
2. The vizier acted as the main advisor to the Pharaoh in ancient Egypt.
3. The vizier was appointed by the king to oversee the administration of the kingdom.
4. The vizier was responsible for the collection of taxes and administration of justice.
5. The vizier's role was to carry out the policies of the king and advise him on important matters.