Grandmaster (martial arts) of "Dan" rankings and Black belt and Red belt in martial arts both derive from Judo where they were adopted by its founder Kanō Jigorō. There are many terms similar or equivalent to 'grandmaster' used by various martial arts traditions. Some of these terms derive from older systems, while others are relatively modern. Japanese martial arts commonly use Sensei (先生) meaning "teacher" or literally translated, "born first" or "one who has gone before". A "Sensei" is a person who has knowledge and is willing to teach that knowledge to another. A "Sensei" assists students in "ken shiki" "the pursuit of
Indonesian martial arts Indonesian martial arts Indonesian martial arts refers to the variety of fighting systems native to or developed in the archipelago of Indonesia, both the age-old traditional arts, and the more recently developed hybrid combatives. In the Indonesian language the term "bela-diri" (lit. self-defense) is used to mean martial art, and in essence the Indonesian fighting arts are meant as one's defence against perceived threat and assault. Other than physical training, they often include spiritual aspects to cultivate inner strength, inner peace and higher psychological ends. Today, Indonesian fighting styles are synonymous with pencak silat. Indeed, the term was coined as