'Master' in the Bible

An ox knows its owner and a donkey the manger of its master. Israel does not know; my people do not understand.

And I will hand over {the Egyptians} into [the] hand of a hard master, and a powerful king will rule over them," {declares} the Lord Yahweh of hosts.

And it shall be as [with] the people, so [with] the priest; as [with] the slave, so [with] his master; as [with] the female slave, so [with] her mistress; as [with] the buyer, so [with] the seller; as [with] the lender, so [with] the borrower; as [with] the creditor, so [with] [the one] to whom he lends.

And now please make a wager with my master the king of Assyria, and I will give you two thousand horses, [that is,] if you are able {put} riders for yourself on them!

But Rabshakeh said, "Has my master sent me to speak these words to your masters and you? [Was it] not for the people who sit on the wall, to eat their dung and drink their urine with you?"

Maybe Yahweh your God heard [the] words of Rabshakeh whom the king of Assyria, his master, has sent to taunt [the] living God, and he will rebuke the words that Yahweh your God hears. And you must lift up a prayer for the benefit of the remnant that is found.'"

Isaiah said to them, "You must say this to your master: 'Thus says Yahweh: "You must not be afraid because of the words that you have heard, [with] which the servants of the king of Assyria have blasphemed me.

he who obtains rights for me [is] near. Who will contend with me? Let us stand together. Who [is] the master of my judgment? Let him approach me.