Aman Andom - Aman Mikael Andom (21 June 1924 23 November 1974) was the first post-imperial acting Head of State of Ethiopia. He was an Eritrean originally from the village of Tsazega in Hamassien province of Eritrea. He was appointed to this position following the coup d'etat that deposed Emperor Haile Selassie on 12 September 1974 and served until his death in a shootout with his former supporters. 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