The prophet addresses the spoilers.
Evil neighbors - The Syrians, Edomites, Moabites, Ammonites, and Philistines, who at all times took advantage of Judah’s weakness. The special mercy to Judah was the prelude to mercy to the whole Gentile world.
Related Commentaries of Jeremiah 12:14
Jeremiah 12:14
14 Thus saith the LORD against all mine evil neighbours, that touch the inheritance which I have caused my people Israel to inherit; Behold, I will pluck them out of their land, and pluck out the house of Judah from among them.