The apostle closes his letter with teachings on submission, humility, anxiety, resisting the devil. He points to what Christ does, what the devil does, what disciples do and what God will do, then bids them farewell.
Peter now gently singles out the pastors in the flocks. Reminding them that they are under shepherds to the Chief Shepherd Christ. He tells them that they are not to be tyrants nor swindlers, but entrusted servants.
To believers suffering an intensifying persecution, Peter tells them to be serious, love, watch and serve Christ. Then he points out that suffering for Christ is not an odd thing, and to rejoice in it for God is faithful.
The apostle tells these persecuted believers that Christ Himself suffered persecution to death on our behalf. He points out that those who have come to Christ have changed a lifestyle, to live like Christ no matter what.
The sufferings of the Son of God were all about bringing lost souls to God for salvation. Peter points out that Noah, a preacher of righteousness, preached to lost souls because Christ was in him even before the Flood.