Master and student. Two roles, each distinct in authority and purpose. The master teaches the student, the master passes on the craft they seek to instill in the mind of the student. In turn, the student follows the master's lessons with utmost dutifulness and devotion, and takes care to complete whatever tasks the master sets to them.

But there are times, when the role of the student and the master change place, when the master is the one opening their mind to the words of the student, when the student shares the knowledge they have gained with the master.

There are times when the student teaches the master.