1 Timothy 5:18

“You shall not oppress a hired person who is afflicted and needy, whether he is one of your brothers or one of your sojourners who is in your land within your gates.

“You shall not muzzle the ox while it is threshing.

or a bag for your journey, or even two tunics, or sandals, or a staff; for the worker is worthy of his support.

“Stay in that house, eating and drinking what they give you; for the laborer is worthy of his wages. Do not keep moving from house to house.

For it is written in the Law of Moses, “You shall not muzzle the ox while it is threshing.” Is God merely concerned about oxen?

So also the Lord directed those who proclaim the gospel to get their living from the gospel.