'Devoted' in the Bible

But actually, I have written to you not to associate with any so-called [Christian] brother if he is sexually immoral or greedy, or is an idolater [devoted to anything that takes the place of God], or is a reviler [who insults or slanders or otherwise verbally abuses others], or is a drunkard or a swindler—you must not so much as eat with such a person.

Now I am saying this for your own benefit, not to put a restraint on you, but because of what is proper and so that you may be devoted to the Lord without distraction.

Brothers, you know the household of Stephanas: They are the firstfruits of Achaia and have devoted themselves to serving the saints. I urge you