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
Grandmaster (martial arts) is only used by the student when speaking to the instructor. The student is "hakseang". (학생 HakSaeng 學生) Many Korean titles are often mistakenly translated as "grandmaster" (태사님 TaeSaNim 太師님). Sonseang-nim (선생님 SeonSaengNim 先生님) is a general term for a teacher of any subject as well as a respectful form of the word "you". Martial arts instructors (in Korea 4th Dan and above) are called "Sabom-nim" (사범님 SaBeomNim 師範님). Various dialects of the Chinese language use different terms. "Sifu" is a common romanization, although the term and pronunciation are also used in other southern languages. In Mandarin Chinese, it is