For their Redeemer [is] mighty,.... As he must needs be, since the Lord of hosts is his name; who sympathizes with them, has mercy on them, is their father, and their friend; see Jeremiah 50:34;
he shall plead their cause with thee; or "against thee", as the Vulgate Latin version; and will certainly carry it for them, and against thee; for, when he undertakes a cause, he pleads it thoroughly.