A Day in the Life of a Sumo Wrestler Getting a topknot (Japan Sumo Association) Every sumo wrestler belongs to a stable, which is where they live while they are young. A stable is managed by a stable master, a retired wrestler who was a good wrestler in his prime. There are currently 54 stables. Referees, ushers, and hairdressers also live in the stables. The stable master is referred to as oyak..