Numbers 3:10 New International Version (NIV)
10 Appoint Aaron and his sons to serve as priests; anyone else who approaches the sanctuary is to be put to death.”
Aaron and his descendants were appointed to the priesthood in the Old Testament. Now that Christ is our High Priest and intermediary with God, anyone who follows him is also called a priest. Now, all Christians may come into God’s presence without fear because God’s own Son encourages his followers to do so. Put guilt behind you. Experience forgiveness. As a believer, you have a special relationship with God. This is based on what Christ did for us. Enjoy and grow in this relationship.