John Chrysostom
These individuals are approaching from the north. He also mentions that the one who comes from the north is devoid of compassion and will relent not at all. When the Lord engages in battle, humanity experiences a total absence of compassion. Just as it is impossible to tame wild animals, He stirs up those who may naturally be predisposed to peace towards conflict. Yet, one might ask: why did He not eradicate them Himself but instead prompted others to act? This mirrors our own actions when we seek to discipline those we intend to punish, allowing them to endure the humiliation of suffering at the hands of others; this form of anguish is significant, much like when we hand over a free person to face punishment by a servant.