David Mills PC (March 18 1831 May 8 1903) was a Canadian politician author poet and jurist.He was born in Palmyra in southwestern Ontario. His father Nathaniel Mills was one of the first settlers in the area. Mills served as superintendent of schools for Kent County from 1856 to 1865. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Office Holder