Gregory the Dialogist

Why do ye persecute me as God; and are filled with my flesh? It is not at variance with the style of piety that he tells that he is persecuted by God. For there is a good persecutor; as when the Lord says of Himself by the lips of the Prophet, Him that privily slandereth his neighbour, him did I persecute. But when any Saint is suffered to be stricken, he knows that he is undergoing persecution, sent against evil he has been guilty of, from the interior ordering. …

Morals on the Book of Job, Book XIV ↗

Thomas Aquinas

For he understood that he had been smitten by God. It does not seem fitting for a man to add affliction to someone who has been afflicted, and so he says, "Why do you persecute me like God?" as if to say: The persecution which comes from God is enough for me, but it was more your duty to bring consolation. He shows in what way they were persecuting him saying, "And glut yourselves on my flesh," which characteristically belongs to detractors, who are said to feed on human flesh insofar as they rejoice in the weaknesses of others. …

Commentary on Job ↗