Our Judge (the one who can condemn us) has become our Advocate (the one who doesn’t condemn us) because he is also our Substitute (the one who takes our condemnation).
The world we inhabit is wrong in so many ways, and a holistic approach to this “wrongness” traces its cause both to sin itself and to the effects of sin.
Is the serpent in Genesis 3 just a snake or Satan? Does the Hebrew refer to "the satan" or "Satan"? And does it make a difference? Let's take a look at the Old Testament, early Jewish literature, and the New Testament for the answers.