'Serve' in the Bible

You know that those who work in the Temple get their food from the Temple and that those who serve at the altar get their share of its offerings, don't you?

No, I keep on disciplining my body, making it serve me so that after I have preached to others, I myself will not somehow be disqualified.

Now their experiences serve as examples for us so that we won't set our hearts on evil as they did.

These things happened to them to serve as an example, and they were written down as a warning for us in whom the culmination of the ages has been attained.