Matthew 18:6-7
"But whoever shall cause one of these little ones who believe in me to stumble, it would be better for him if a great millstone were hung about his neck, and he were drowned in the depths of the sea.
Romans 14:15
If your brother is continually pained because of your food, you are not conducting yourself any longer in love. Do not, by what you eat, persist in destroying a man for whom Christ died.
Romans 14:21
The right course is not to eat meat, nor to drink wine, nor to do anything through which your brother is made to stumble.
1 Corinthians 8:11-13
So he is lost, this weak man, lost by your "knowledge." this brother for whom Christ died.
1 Peter 2:9
But you are an elect race, a royal priesthood, a holy nation, a purchased people, that you may show forth the virtues of Him who has called you out of darkness into his marvelous light??10 you who once were not a people, but now are the people of God; who were once without mercy, but now you have found mercy.