1 Corinthians 9:13

9:13 Don’t you know that those who serve in the temple eat food from the temple, and those who serve at the altar receive a part of the offerings?

1 Corinthians 10:27-28

10:27 If an unbeliever invites you to dinner and you want to go, eat whatever is served without asking questions of conscience. 10:28 But if someone says to you, “This is from a sacrifice,” do not eat, because of the one who told you and because of conscience –

1 Corinthians 11:26-27

11:26 For every time you eat this bread and drink the cup, you proclaim the Lord’s death until he comes.

11:27 For this reason, whoever eats the bread or drinks the cup of the Lord in an unworthy manner will be guilty of the body and blood of the Lord.

1 Corinthians 11:34

11:34 If anyone is hungry, let him eat at home, so that when you assemble it does not lead to judgment. I will give directions about other matters when I come.