The seventh Commandment forbids Acts or Enterprises that for any Reason - selfish or ideological, commercial, or totalitarian - Lead to the enslavement of human Beings, to their being bought, sold and exchanged Like merchandise, in disregard for their Personal Dignity. It is a Sin against the dignity of perSons and their Fundamental Rights to reduce them by violence to their productive value or to a Source of profit. St. Paul directed a Christian master to treat his Christian slave "no longer as a slave but more than a slave, as a beLoved brother, . . . both in the Flesh and in the Lord." 193