Abd al-Rahman al-Mahdi -  Sayyid Abd al-Rahman al-Mahdi KBE (Arabic: عبد الرحمن المهدي‎) (1885 – 1959) was one of the leading religious and political figures during the colonial era in the Anglo-Egyptian Sudan (1898–1955) and continued to exert great authority as leader of the Neo-Mahdists after Sudan became independent. The British tried to exploit his influence over the Sudanese people while at the same time profoundly distrusting his motives. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Office Holder