What does sushi master mean?

Refers to the chef of a Japanese sushi restaurant.

In Japan, whether in the military, business or administrative organs, the general is the head, which means the manager, and women are called female generals.

A sushi chef is a chef in a sushi restaurant.

Sushi:

Sushi is a traditional Japanese food. In ancient Japan, sushi was salted fish marinated with salt and rice, which later evolved into sushi today.

"Sushi" was written as "すし" in ancient Japan, which originally meant "salted fish". The name "Sushi" is the pseudonym of "Yi". Sushi or ancestor in mbth.