'United' in the Bible

Now I urge you, brothers, in the name of our Lord Jesus Christ, that all of you agree in what you say, that there be no divisions among you, and that you be united with the same understanding and the same conviction.

Or do you not know that anyone who is united with a prostitute is one body with her? For it is said, "The two will become one flesh."

But the one united with the Lord is one spirit with him.

(Or if she goes away from him, let her keep unmarried, or be united to her husband again); and that the husband may not go away from his wife.

Consider the people of Israel; are those who eat the sacrifices not partners of the altar [united in their worship of the same God]? [Indeed they are.]

For by one [Holy] Spirit we were all baptized into one body, [spiritually transformed—united together] whether Jews or Greeks (Gentiles), slaves or free, and we were all made to drink of one [Holy] Spirit [since the same Holy Spirit fills each life].