'Serve' in the Bible

But God turned away [from them] and handed them over to serve the host of heaven. As it is written and forever remains written in the book of the prophets, ‘It was not [really] to Me that you offered victims and sacrifices for forty years in the wilderness, was it, O house of Israel?

But I confess this to you, that according to the Way, which they call a [divisive and heretical] sect, I do worship and serve the God of our fathers, [confidently] believing everything that is in accordance with the Law [of Moses] and that is written in the Prophets;

Get up and stand on your feet. I have appeared to you for this purpose, to appoint you [to serve] as a minister and as a witness [to testify, with authority,] not only to the things which you have seen, but also to the things in which I will appear to you,

For this very night an angel of the God to whom I belong and whom I serve stood before me,