noun
person without a dan rank
Used in martial arts, go, shogi, and similar ranking systems for someone who has not yet attained a dan (black-belt equivalent) rank. Often contrasted with 有段者.
See also: 有段者
彼はまだ無段者だが、とても強い。
He is still a non-dan holder, but he is very strong.
この大会は無段者も参加できる。
This tournament is open to non-dan holders as well.