The Devil is described in a number of capacities in the Bible.  He is the tempter, Matt 4:3; the deceiver, Rev 12; the accuser; Rev 12; the liar, Jn 8:44; the destroyer, 1 Cor 10:10, 5:5; and the roaring lion, 1 Pet 5:8, to name a few.  In Jn 10:10...