'Man's' in the Bible

"When a man divorces his wife, she leaves him and becomes another man's wife, will the first husband return to her again? The land would be deeply polluted, would it not? Since you have committed fornication with many lovers, would you now return to me?" declares the LORD.

Then they said, "Come, let's make up a plot against Jeremiah. After all, the priest's instruction, the wise man's counsel, and the prophet's message won't be destroyed. So let's verbally attack him. Pay no attention to anything he says!"