“But if any man say unto you, This is offered in sacrifice unto idols, eat not for his sake that shewed it, and for conscience sake: for the earth is the Lord's, and the fulness thereof:”
King James Version (KJV)
10:28 For his sake that showed thee, and for conscience' sake - That is, for the sake of his weak conscience, lest it should be wounded.
1Co 10:28 But if any man shall say unto you, etc. If some one points out that a part is from an idol's sacrifice, then it is not to be eaten; not because the food is sinful, but because the conscience of others might be offended.