a.) Angels are created beings who serve and worship God, but are not to be worshipped.
b.) Satan is a created angel and author of sin who incurred the judgment of God through his rebellion against the creator, took numerous angels with him in his fall, introduced sin into the human race in his temptation of Eve; is the enemy of God, the prince of this world, defeated through the death and resurrection of Jesus, and will be eternally punished in the lake of fire.
Isaiah 14:12-15; Ezekiel 28:14-17; Matt 4:1-11, Matt 13:39, Matt 25:41; Ephesians 2:2; I Peter 5:8; II Peter 2:4; I John 3:8; Jude 6; Rev 12:7-11; 20:1-3, 10;