an ungodly man a man of Belial

1 Samuel 25:17
Now consider carefully what you must do, because disaster looms over our master and all his household. For he is such a scoundrel that nobody can speak to him!"

2 Samuel 20:1
Now a worthless man named Sheba son of Bichri, a Benjamite, happened to be there, and he blew the ram's horn and shouted: "We have no share in David, no inheritance in Jesse's son. Every man to his tent, O Israel!"

diggeth

Proverbs 2:4
if you seek it like silver and search it out like hidden treasure,

Psalm 17:14, 15
from such men, O LORD, by Your hand, from men of the world whose portion is in this life. You fill their bellies with Your treasure and satisfy their sons; so they leave their abundance to their children. . . .

Isaiah 5:18
Woe to those who draw iniquity with cords of deceit and pull sin along with cart ropes,

Habakkuk 2:13
Is it not indeed from the LORD of Hosts that the labor of the people only feeds the fire, and nations weary themselves in vain?

in

Psalm 52:2-4
Your tongue devises destruction like a sharpened razor, O worker of deceit. . . .

Psalm 57:4
My soul is among the lions; I lie down with ravenous beasts whose teeth are spears and arrows, whose tongues are sharp swords.

James 3:6
The tongue also is a fire, a world of wickedness among the parts of the body. It pollutes the whole person, sets the course of his life on fire, and is itself set on fire by hell.