Retd. Lt.Colonel Bharat Gurung had served as the Royal A.D.C. to Late Prince Dhirendra Shah of Nepal in the 1980s until his imprisonment in 1987 for his involvement in drug trafficking and smuggling. Gurung was prosecuted along with Bhim Prasad Gauchan and DB Lama on seven accounts earning him a twenty-year sentence in jail and a fine of several millions of rupees. 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?
Office Holder