What is rikishi?

Some articles on rikishi:

Mawashi - Keshō-mawashi
... The keshō-mawashi may advertise the produce of a sponsor of the rikishi (For example Bulgarian Ozeki Kotoōshū Katsunori is sponsored by a Japanese brand of yogurt, "Bulgaria", which ... Popular rikishi may be given many of these keshō-mawashi ...
Sumo Wrestlers - Life As A Professional Sumo Wrestler
... Rikishi in jonidan and below are allowed to wear only a thin cotton robe called a yukata, even in winter ... The junior rikishi must get up earliest, around 5 am, for training whereas the sekitori may start around 7 am ... When the sekitori are training the junior rikishi may have chores to do, such as assisting in cooking the lunch, cleaning and preparing the bath, or holding a sekitori's towel ...
Too Cool - History - World Wrestling Federation / Entertainment - 2003–2004
... Rikishi would eventually become a fan favorite again and reunited with Scotty to compete on the SmackDown! brand in October 2003 ... Master Sexay however he was on the Raw brand and had no interaction with Hotty or Rikishi ... Rikishi would be released from the company shortly after the title loss, while Scotty remained with the company until being released on May 15, 2007 ...
Tomioka Hachiman Shrine - Sumo
... successive yokozuna, the Yokozuna Stone (横綱力士碑, Yokozuna Rikishi-hi?), was built by Jinmaku Kyūgorō, the 12th yokozuna ... until Hakuhō Shō, the 69th yokozuna, and "unrivaled rikishi" Raiden Tameemon ... Thus, when a rikishi reaches the rank of yokozuna, a dedication in the form of dohyō-iri is done at the shrine ...
Shikoroyama Stable
... He did not take any established rikishi with him, recruiting all his rikishi himself instead ... As of December 2007, the stable had 17 rikishi ...