Kaimar Saag (born 5 August 1988 in Viljandi) is an Estonian professional footballer who plays for Vejle Boldklub Kolding. He plays the position of striker and is also a member of the Estonia national football team. 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?
Athlete