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
Master of Arts in Teaching semester as a full time student teacher in order to earn the degree. There are two general models that (MAT or MST) degrees follow: a 5th year model, in which students spend one year extra beyond their bachelor’s degree to earn a master's degree and an initial teaching license, or a "Flex" program, which usually offers part-time weekend and evening courses to accommodate professionals who are changing careers. The Master of Arts or Master of Science in Teaching degree is often advantageous to middle school and secondary school teachers because it allows them to focus on subject area knowledge in