Num 31:16 Counsel of Balaam - Wickedness of Immorality
2Pet 2:15 Way of Balaam - Wages of Iniquity
Jude 1:11 Error of Balaam - Willfulness of Insubordination
Rev 2:14 Doctrine of Balaam - Wiles of Idolatry

Read Part 1, Part 2.