Apprenticeship, this has always been a matter of great importance and solemnity in any era and any country.
Admittedly, with the widespread availability of educational resources in modern society, traditional mentor-mentee relationships have been greatly impacted, and many masters are willing to teach anyone who is willing to learn, with many traditional customs gradually being abandoned. However, the mentor-mentee relationship is still highly valued and respected.
In Japan, there is even a tradition where an apprentice must serve their master like an ox or horse, taking care of the master's needs, although many masters no longer oppress and exploit their apprentices like in the past.