Can I add:

Slowly but not mechanically and don't get into a sort of teacher leads, squad marches in formation mode. There's a group of players not far from here like that, and it sounds like a cult gathering. That one is sheet music basd, and it's strictly play once through with teacher, then on to the next one.

Help learners to play with expression. Getting the notes right is actually secondary to this in some ways, and acquiring the skill of turning a cockup into a variation is useful.

If you are already in a network of session players, it shouldn't be too difficult to spread the word.

The trouble is that all too often session players avoid contact with beginners. They might want to shunt off long- term no- hopers onto you though- such people do exists. The problem is usually attitude rather than ability.