'Cup' in the Bible

The cup of blessing that we bless is our fellowship in the blood of the Messiah, isn't it? The bread that we break is our fellowship in the body of the Messiah, isn't it?

You cannot drink the cup of the Lord and the cup of demons. You cannot dine with the Lord and dine with demons,

He did the same with the cup after the supper, saying, "This cup is the new covenant in my blood. As often as you drink from it, keep doing this in memory of me."

For as often as you eat this bread and drink from this cup, you proclaim the Lord's death until he comes.

Therefore, whoever eats the bread or drinks from the cup in an unworthy manner will be held responsible for the Lord's body and blood.

A person must examine himself and then eat the bread and drink from the cup,