Shihandai (assistant instructor) (師範代)
Shihandai (assistant instructor) is an instructor in an art field and an assistant of Shihan (grand master). Or, it is a job grade, license, and title granted to teachers who instruct students from school or Dojo (training hall).
The license of shihandai enables one to instruct students or younger members; it depends on the school or Dojo. To obtain permission for opening a Dojo under the school, the license of shihan is often required.