The Apostle Paul
1 Corinthians 4:15ESV·traditional attribution

For though you have countless guides in Christ, you do not have many fathers. For I became your father in Christ Jesus through the gospel.

John Calvin Reformed @genevareformer

15. For though you had ten thousand. He had called himself father, and now he shows that this title belongs to him peculiarly and specially, inasmuch as he alone has begotten them in Christ. In this comparison, however, he has an eye to the false apostles to whom the Corinthians showed all deference, so that Paul was now almost as nothing among them.

Matthew Henry Presbyterian @wholebiblehenry

Here Paul challenges their regard to him as their father. He tells them, 1. That what he had written was not for their reproach, but admonition; not with the gall of an enemy, but the bowels of a father (Co1 4:14): I write not to shame you, but as my beloved children I warn you.

Commenting on 1 Corinthians 4:14-16

John Gill Reformed Baptist @doctorgill

For though ye have ten thousand instructors in Christ,.... Or "schoolmasters"; by whom he means the false teachers, whom, for argument sake, he admits to be instructors in Christ, or ministers of his, as in Co2 11:23 and who were many, and of whose number the Corinthians boasted; though they were not so numerous as here supposed; for the expression is hyperbolical: perhaps some reference...