'Served' in the Bible

Twelve years they served Chedorlaomer, and in the thirteenth year they rebelled.

And Jacob served seven years for Rachel. And they seemed unto him but a few days, for the love he had to her.

And he went in also unto Rachel, and he loved also Rachel more than Leah, and served with him yet seven other years.

Give me my wives and my children for whom I have served thee, and let me go: for thou knowest my service wherewith I have served thee.

And he said unto him, Thou knowest how I have served thee, and how thy cattle have fared with me.

And ye know that will all my power I have served your father.

These twenty years have I been in thy house; I served thee fourteen years for thy two daughters, and six years for thy flock: and thou hast changed my wages ten times.