The scripture is pretty obvious on the matter. It identifies him as an apostle. His whole story is one of someone who was radically chosen to preach the Gospel to a huge segment of the world. A large portion of the NT is written by Paul, the Apostle of Christ, who was specifically chosen, snatched from the fires of hell in a way, in a miraculous face to face encounter with Christ on the road to Damascus.
Unless you’re trying to deny some teaching that you think only exists in Paul’s writings, there is no reason to deny this fundamental aspect of history.
I have no issues with Paul, just a legitimate question. In terms of his writings, they seem to upset all the right people as far as I’m concerned.