Augustine of Hippo

You have frequently heard in the holy Scriptures in what great danger bishops are placed, if they are unwilling to carry out what the apostle urges on them.… But when we reprove someone, if the person we reprove is bad, he fixes his attention on the one he is being reproved by and happily and more readily acknowledges what has to be put right in his reprover than in himself. And if he can find something true to say against the one who is reproving him, he is delighted. …

Sermon 387:1 ↗

Jerome

If I say to the wicked, 'You will surely die,' and you do not warn him or speak out to warn him from his wicked way that he may live, that wicked person shall die for his iniquity, but his blood I will require at your hand. But if you warn the wicked, and he does not turn from his wickedness or from his wicked way, he shall die for his iniquity, but you will have delivered your soul. There are two wicked or iniquitous persons, as the Septuagint has translated. …

Commentary on Ezekiel ↗

Gregory the Dialogist

In these words, what should we note, what should we carefully consider, except that the subject does not die because of the fault of the superior, nor is the superior without fault when, not hearing the words of life, the subject dies by his own fault? For death is owed to the impious, but the way of life must be announced to him by the watchman, and his impiety must be rebuked. …

Homilies on Ezekiel, Book 1, Homily 11 ↗