Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Jeremiah Ngayu Kioni - Jeremiah Ngayu Kioni is a Kenyan politician. He belongs to the Party of National Unity and was elected to represent the Ndaragwa Constituency in the National Assembly of Kenya since the Kenyan parliamentary election 2007.
A:
Office Holder