'Bondmen' in the Bible

I call you no longer bondmen, for the bondman does not know what his master is doing; but I have called you friends, for all things which I have heard of my Father I have made known to you.

But the bondmen and officers, having made a fire of coals (for it was cold), stood and warmed themselves; and Peter was standing with them and warming himself.

One of the bondmen of the high priest, who was kinsman of him whose ear Peter cut off, says, Did not I see thee in the garden with him?