Read 2 Corinthians 5:17 Using Other Translations
Therefore if any man be in Christ, he is a new creature: old things are passed away; behold, all things are become new.
Therefore, if anyone is in Christ, he is a new creation. The old has passed away; behold, the new has come.
This means that anyone who belongs to Christ has become a new person. The old life is gone; a new life has begun!