Please answer the following question: William Lukuvi - William Vangimembe Lukuvi (born 15 August 1955) is a Tanzanian CCM politician and Member of Parliament for Ismani constituency. He is the current Minister of State in the Prime Minister's Office for Policy Co-ordination and Parliamentary Affairs. 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