Daniel Ken Dan Inouye (Japanese: Hepburn: Inoue Ken pronounced /nowe/ -NOH-way; September 7 1924 December 17 2012) was a Medal of Honor recipient a recipient (posthumously) of the Presidential Medal of Freedom a United States Senator from Hawaii a member of the Democratic Party and the President pro tempore of the United States Senate from 2010 until his death in 2012 making him the highest-ranking Asian American politician in U.S. history. 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