Call No Man Father?

In this episode, Dr. Betters answers the question, "Hey brother, Lord's commandment says we call no man "Father" (ie. in the spiritual sense - Mat. 23:9) as opposed to Paul's words to the Corinthians (I Cor. 4:15) wherein he seems to assert himself as their "father" (in the spiritual sense.) How to view this supposed contradiction? Thank You for your ministry"