Acts 17:5

But the unbelieving Jews, roused to a fit of zeal, and taking some of the lowest vulgar men of vile characters, and raising a mob, set the city in an uproar, and besetting the house of Jason, sought them to bring them unto the people.

1 Corinthians 14:20

Brethren, be not children in your minds: though in naughtiness be ye children, but in your minds be men complete.

Titus 1:10

For there are many disorderly persons vainly talkative, and under a spirit of delusion, especially some of the circumcised;

Hebrews 5:12

For though ye ought for the time to be teachers of others, ye have again need that some one teach you the leading principles of the oracles of God; and are become as those who need milk, and not 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, roused to a fit of zeal, and taking some of the lowest vulgar men of vile characters, and raising a mob, set the city in an uproar, and besetting the house of Jason, sought them to bring them unto the people.
Titus 1:10
For there are many disorderly persons vainly talkative, and under a spirit of delusion, especially some of the circumcised;