The Apostle Paul
2 Corinthians 12:20ESV·traditional attribution

For I fear that perhaps when I come I may find you not as I wish, and that you may find me not as you wish—that perhaps there may be quarreling, jealousy, anger, hostility, slander, gossip, conceit, and disorder.

John Calvin Reformed @genevareformer

20. For I fear He declares, in what way it tends to their edification, that his integrity should be vindicated, for, on the ground that he had come into contempt, many grew wanton, as it were, with loosened reins. Now respect for him would have been a means of leading them to repentance, for they would have listened to his admonitions. I fear, says he.

Matthew Henry Presbyterian @wholebiblehenry

In these verses the apostle addresses himself to the Corinthians two ways: - I. He blames them for what was faulty in them; namely, that they had not stood up in his defence as they ought to have done, and so made it the more needful for him to insist so much on his own vindication.

Commenting on 2 Corinthians 12:11-21

Albert Barnes Presbyterian @notesbybarnes

Verse 20. For I fear, lest, when I come. . I shall not find you such as I would. That is, walking in the truth and order of the gospel, he had feared that the disorders would not be removed, and that they would not have corrected the errors which prevailed, and for which he had rebuked them.