I Peter 2:9
But ye are a chosen generation, a royal priesthood, an holy nation, a peculiar people; that ye should shew forth the praises of him who hath called you out of darkness into his marvellous light;
This verse provides a direct contrast to 1 Peter 2:8, a contrast between those who believe in Jesus Christ and those who do not.
I Peter 2:8
And a stone of stumbling, and a rock of offence, even to them which stumble at the word, being disobedient: whereunto also they were appointed.
2:8 Stone of stumbling rock of offense: Unbelievers, because they do not follow God’s Word, find Jesus to be repugnant, an obstacle in their way and a cause for disapproval and anger.
A chosen generation: God has not left to chance who will be part of a unique body of people, a group who will serve Him. He has reserved that decision for Himself.
A royal priesthood” You and I, believers are transformed not only internally (1 Peter 2:5, which describes you and I as being made into “a holy priesthood”) also externally. We are a priesthood that functions in a ruling capacity as leaders, pointing the lost to their redeemer…Jesus Christ.
A holy nation: You and I are a unified group of people who are set apart for God’s use.
His own special people: God protects those whom He has adopted into His family.
We are God’s children and He has chosen us to help build His kingdom. He guides us to do His will, good works, and to spread the good news. God changed us from outcasts to His royal priesthood, from being condemned to receiving mercy. I Peter 2:10.
As living stones, we are building blocks for a spiritual house.
Ephesians 2:20-22 says that this house is being put together by Jesus, and that through its construction, it grows into a sanctuary in the Lord. God is the builder, you and I are the building blocks, and Jesus is the cornerstone.
God has given you and I many instructions on how to love one another and how to serve others who do not know the Lord. We have been trained by apostles, prophets, evangelists, pastors, and teachers to carry out the work of His ministry and further build up the body of Christ (Ephesians 4:11-12).
Friends, what a privilege to be called, used, and refined by God.