Black belt (martial arts) of ability when using these tactics and are sometimes referred to as McDojos or belt factories. In some Japanese schools, after obtaining a black belt the student also begins to instruct, and may be referred to as a senpai (senior student) or sensei (teacher). In others, a black belt student should not be called sensei until they are sandan (third degree black belt), or the titles kyosa or sabom in Korean martial arts as second degree or higher, as this denotes a greater degree of experience and a sensei must have this and grasp of what is involved in teaching
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