What is the moral justification to slaughter animals and eat their flesh?
Should we educate for vegetarianism?
Why is there a Mitzvah to eat meat on Shabbat?
Rabbi Eliezer Melamed teaches us the Jewish perspective on correct animal treatment.
The only reason that Torah teachers receive a salary at all is so that they not have to go looking for some other means of income. So long as the teacher is not looking for another livelihood, he must continue to teach his pupils regardless.