>>11564106>BruvBruv, they are limiting the stay of foreign workers based on their "skill" level.
https://thediplomat.com/2020/01/is-japan-ready-to-welcome-immigrants/Which means in practice that JLPT N3 must be passed regarding everyday and professional vocabulary. Otherwise it's a no go.
Listen, English teachers aside, you genuinely can't have a real job in Japan without proven proficiency in Japanese language.
Japan is incredibly protective regarding their own things. As a foreigner, you can only fit in but never be accepted.
The One and Only exception I genuinely know is Marutei Tsurunen. He is my senior countryman (a Finn) and regardless of that, was selected (to everyone's amazement) to the House of Councillors of Japan as the first acknowledged foreign-born person.
Marutei Tsurunen:
https://en.wikipedia.org/wiki/Marutei_Tsurunen 
