Acts 17:5

But the unbelieving Jews being filled with envy, collected some loose profligate fellows, and making a tumult set all the city in an uproar: and assaulting Jason's house, they sought for them in order to bring them out to the populace.

1 Corinthians 14:20

My brethren, be not children in sense: but in malice be infants, and in your judgements shew yourselves to be men.

Titus 1:10

For there are many disorderly persons, vain-talkers and deceivers, especially those of the circumcision; whose mouths must be stopped:

Hebrews 5:12

For whereas ye ought for the time to be teachers of others, ye have need again of some one to teach you the first rudiments of the oracles of God; and are become such as have need of milk and not of solid food.

Treasury of Scripture Knowledge

Summary

And there are gathered unto him vain men, the children of Belial, and have strengthened themselves against Rehoboam the son of Solomon, when Rehoboam was young and tenderhearted, and could not withstand them.

Bible References

Vain men

Acts 17:5
But the unbelieving Jews being filled with envy, collected some loose profligate fellows, and making a tumult set all the city in an uproar: and assaulting Jason's house, they sought for them in order to bring them out to the populace.
Titus 1:10
For there are many disorderly persons, vain-talkers and deceivers, especially those of the circumcision; whose mouths must be stopped: