Please answer the following question: Christophe Berdos (born 17 April 1970) is a full-time international rugby union referee with the French Rugby Federation and is one of the two French representatives on the IRB's International Referees Panel.Berdos made his debut as a referee in 1988 and refereed in the Under-19 World Championships in 2003 and 2004. 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?
A:
Athlete