What does the term "Yudansha" refer to in martial arts?

The term "Yudansha" specifically refers to an individual who holds a black belt in martial arts. Achieving a black belt is a significant milestone that demonstrates proficiency and understanding of the art, as well as a commitment to training and personal development in martial arts.

In contrast, a beginner is someone who is just starting their martial arts journey, while an instructor would be someone who teaches or guides students in their training. A student refers to anyone who is currently learning martial arts, regardless of their rank or level of expertise. Therefore, "Yudansha" highlights the achievement and status associated with having reached an advanced level of skill and understanding within the martial arts community.