John Pool (June 16 1826 August 16 1884) was a Republican U.S. Senator from the state of North Carolina between 1868 and 1873. He was also the uncle of Congressman Walter Freshwater Pool.He was born near Elizabeth City North Carolina and was tutored at home until his attendance at the University of North Carolina where he studied law. He graduated and was admitted to the bar in 1847 practicing in his home city until serving in the North Carolina Senate in 1856 and 1858. 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