Sorcery is the practice of exercising preternatural power over person and things with the aid of the evil spirts.

Divination is to seek after knowledge of future events through occult practices.

Astrology is a form of divination based on the theory that planets and stars influence human affairs.

Magic is the attempt to manipulate supernatural forces or to gain power over events outside of God's will. 

Impiety is a lack of reverence for God and sacred items.

Ignorance of God is failing to seek out God, His teaching, and His will. Ignorance of God obscures the Truth.

For if you forgive men their trespasses, your Heavenly Father will also forgive you.

Idolatry is the Divine worship given to anyone or anything other than the True God.

Polytheism is the belief and worship in multiple gods. 

Fellowship in heresy is to join or lead others to believe a teaching that is a distortion or denial of the Gospel.