תהילים נ:ד פירוש: רש״י

He shall call to the heavens to visit upon the celestial princes of the peoples.

and to the earth to visit upon the kings of the earth.

to avenge His people Heb. לדין, to avenge the vengeance of His people, as (Deut. 32:36): “For the Lord shall judge His people, and He shall avenge the blood of His servants.”