The church in Ephesus was troubled with distractions. So Paul gave Timothy this charge to put an end to the foolish talk bombarding this church: command certain men not to teach strange doctrines derailing them from the purpose of God to sanctify and lead His people to holy love.
1 Cor. 15:20-26, 50-57. Our Victory in Christ
No man is a match for death and its sting, because we all descend from Adam. But God has provided another man, “the last Adam” who unlike the first gives life (v45), not takes away life. Indeed, all who are “Christ’s” will like Him be raised from the dead when He comes (v23). Christ is the firstfruits, and we the harvest after Him (v20). All who are one with Christ by faith share in His victory over death.