Please answer the following question: Willem George Frederik Derx -  Willem George Frederik Derx (8 May 1813 – 10 December 1890) was a Dutch civil servant who made a career in the administration on the Dutch Gold Coast. 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