Titus 1:7
For, as God's steward, a minister must be of blameless life, not over-fond of having his own way, not a man of a passionate temper nor a hard drinker, not given to blows nor greedy of gain,
Titus 1:11
You must stop the mouths of such men, for they overthrow the faith of whole families, teaching what they ought not, just for the sake of making money.
2 Peter 2:1-3
But there were also false prophets among the people, as there will be teachers of falsehood among you also, who will cunningly introduce fatal divisions, disowning even the Sovereign Lord who has redeemed them, and bringing on themselves swift destruction.