If you are now or have ever been part of Christ, then you were placed there by God the Father when He gave you to His Son. And never forget, just a few verses before this Jesus said, “I will never cast you out!”
The world and the devil may label you by your sin but your Heavenly Father does not. He sees you through the blood of Christ. God sees you as righteous.
Luke turns our focus from the law to Christ. The law points to the righteousness of God, so it is important. However, Jesus is the fulfillment of that law for us.