John Gills Exposition of the Bible Commentary - Psalms 109:6
Set thou a wicked man over him ,.... Or "them", as the Syriac version; over everyone of his adversaries, and all of them: and which may be interpreted, as it is by Cocceius, of tyrannical princes and governors, set over the Jews, as Tiberius, Caius, Claudius, Nero, &c.; and their deputies, Pilate, Felix, Festus, Florus; all wicked men, and which were a judgment on them for their usage of Christ. Though here some single person is designed, even Judas, notorious for his enmity and... read more
Matthew Henry's Complete Commentary - Psalms 109:6-20
David here fastens upon some one particular person that was worse than the rest of his enemies, and the ringleader of them, and in a devout and pious manner, not from a principle of malice and revenge, but in a holy zeal for God and against sin and with an eye to the enemies of Christ, particularly Judas who betrayed him, whose sin was greater than Pilate's that condemned him (John 19:11), he imprecates and predicts his destruction, foresees and pronounces him completely miserable, and such a... read more