'Serving' in the Bible

King Melchizedek of Salem brought out bread and wine, since he was serving as the priest of God Most High.

Fulfill the week for this daughter, then we'll give you the other one in exchange for serving me another seven years."

You know I've been serving your father with all my heart.

I've lived in your house these 20 years serving fourteen years for your two daughters and another six years for your flocks. During all that time you changed my wages ten times.