And I will fan them— The simile is taken from a man who stands in the gate of his threshing-floor, to separate with his fan the chaff from the wheat; God denouncing that he would cast the people of Judah out of his hand, as the wind scattereth abroad and disperseth the chaff.
Related Commentaries of Jeremiah 15:7
Jeremiah 15:7
7 And I will fan them with a fan in the gates of the land; I will bereave them of children, I will destroyc my people, since they return not from their ways.