Israel was brought very low because of Midian; and the children of Israel cried to Yahweh.
So, there came an angel of the LORD, and sat under an oak tree which is at Ophrah, that pertained to Joash the Abiezrite: [and the son] and his son Gideon threshed wheat by the winepress, to hide it from the Midianites ( Judges 6:11 ).