'Masters' in the Bible

Nabal answered David's servants, and said, "Who is David? Who is the son of Jesse? There are many servants who break away from their masters these days.

As the cold of snow in the time of harvest, so is a faithful messenger to those who send him; for he refreshes the soul of his masters.

The words of the wise are like goads; and like nails well fastened are words from the masters of assemblies, which are given from one shepherd.

and give them a command to their masters, saying, Thus says Yahweh of Armies, the God of Israel, You shall tell your masters: