Verses with the word served in the New Testament (5 verses):

Luke 2:37
And she was a widow of about fourscore and four years, which departed not from the temple, but served God with fastings and prayers night and day.

John 12:2
There they made him a supper; and Martha served: but Lazarus was one of them that sat at the table with him.

Acts 13:36
For David, after he had served his own generation by the will of God, fell on sleep, and was laid unto his fathers, and saw corruption:

Romans 1:25
Who changed the truth of God into a lie, and worshipped and served the creature more than the Creator, who is blessed for ever. Amen.

Philippians 2:22
But ye know the proof of him, that, as a son with the father, he hath served with me in the gospel.