'Master' in the Bible

It will be as with the people, so with the priest; as with the servant, so with his master; as with the maid, so with her mistress; as with the buyer, so with the seller; as with the creditor, so with the debtor; as with the taker of interest, so with the giver of interest.

Now therefore, please make a pledge to my master the king of Assyria, and I will give you two thousand horses, if you are able on your part to set riders on them.

But Rabshakeh said, "Has my master sent me only to your master and to you, to speak these words, and not to the men who sit on the wall, who will eat their own dung and drink their own urine with you?"

It may be Yahweh your God will hear the words of Rabshakeh, whom the king of Assyria his master has sent to defy the living God, and will rebuke the words which Yahweh your God has heard. Therefore lift up your prayer for the remnant that is left.'"

Isaiah said to them, "Tell your master, 'Thus says Yahweh, "Don't be afraid of the words that you have heard, with which the servants of the king of Assyria have blasphemed me.