'Service' in the Bible

Do not be ashamed then to bear witness for our Lord and for me His prisoner; but rather share suffering with me in the service of the Good News, strengthened by the power of God.

the Lord grant to him to find mercy from the Lord in that day and how much service he rendered in Ephesus thou knowest best.

No soldier in active service entangles himself in the affairs of everyday life, so that he may please the one who enlisted him as a soldier.

If therefore a man keeps himself clear of these latter, he himself will be for specially honourable use, consecrated, fit for the Master's service, and fully equipped for every good work.

Only Luke is with me. Pick up Mark and bring him with you, for he is useful to me for service.