Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Lester Castle - Lester John Castle CMG (13 July 1921 26 November 1986) was the Chief Ombudsman of New Zealand from 1984 to 1986. In this role he was responsible for investigating complaints against central and local government agencies including Ministers of the Crown.Castle was born in Wellington in 1921. He was the son of Sydney Castle also a lawyer and attended Christ's College Christchurch and Victoria University College graduating LLB in 1947.
A:
Office Holder