Paul's fear was not that he would lose his salvation, but that he might be disqualified from his team!
TRAINING AND TEAMWORK
1 Corinthians 9:24-27
The Apostle Paul, as every good minister of Christ, was willing to become “all things to all men” (1 Corinthians 9:22), that they might be SAVED by Christ.
Now Paul did all this for the gospel. It was an unselfish act, but would have its reward