Noun
karateka (plural karateka)
A practitioner of karate.
On June of the same year, karateka and future kickboxer Tadashi Sawamura faced against top Thai fighter Samarn Sor Adisorn, in which Sawamura was knocked down 16 times and defeated. Source: Internet
Dan-grade karateka are referred to as yudansha (holders of dan/rank). Source: Internet
Kyū-grade karateka are referred to as "color belt" or mudansha ("ones without dan/rank"). Source: Internet
To attain a formal rank the karateka must demonstrate competent performance of specific required kata for that level. Source: Internet