Here the word "you" refers to the believers. (See: [[rc://en/ta/man/translate/figs-you]])
The words "us" and "we" here refer to the 12 apostles. Where applicable, use the exclusive form in your language. (See: [[rc://en/ta/man/translate/figs-exclusive]])
This is an exaggeration in order to emphasize the importance of their task of teaching the word of God. AT: "stop preaching and teaching the word of God" (See: [[rc://en/ta/man/translate/figs-hyperbole]])