'Serve the Lord' in the Bible

Now do not stiffen your neck [becoming obstinate] like your fathers, but yield to the Lord and come to His sanctuary which He has sanctified and set apart forever, and serve the Lord your God, so that His burning anger will turn away from you.

Then he set up the altar of the Lord and sacrificed peace offerings and thank offerings on it; and he ordered Judah to serve the Lord God of Israel.

Josiah removed all the [pagan] repulsive things from all the lands belonging to the sons (descendants) of Israel, and made all who were present in Israel serve the Lord their God. Throughout his lifetime they did not turn from following the Lord God of their fathers.

To the Levites who taught all Israel and were holy to the Lord he said, “Put the holy ark in the house (temple) which Solomon the son of David king of Israel built; it shall not be a burden [carried] on your shoulders any longer. Now serve the Lord your God and His people Israel.