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
Japanese martial arts Japanese martial arts Japanese martial arts refer to the variety of martial arts native to the country of Japan. At least three Japanese terms are used interchangeably with the English phrase Japanese martial arts. The usage of term budō to mean martial arts is a modern one and historically the term meant a way of life encompassing physical, spiritual and moral dimensions with a focus of self-improvement, fulfillment or personal growth. The terms "bujutsu" and "bugei" have more discrete definitions, at least historically speaking. "Bujutsu" refers specifically to the practical application of martial tactics and techniques in actual combat. "Bugei"