Sin is what separates us from God. We are all sinners. Sins build fences that separate us from God and more fences are built that we choose to sit on bringing us further away from Him and placing barriers between us and God.
Transgression = violation of a law or command.
1 Kings 8:46
1 John 1:8
I know your deeds declares the Lord.
Jesus Christ was victorious over our sin and death.