1 Corinthians 8:7

8:7 But this knowledge is not shared by all. And some, by being accustomed to idols in former times, eat this food as an idol sacrifice, and their conscience, because it is weak, is defiled.

1 Corinthians 8:13

8:13 For this reason, if food causes my brother or sister to sin, I will never eat meat again, so that I may not cause one of them to sin.

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?