Belial \Be"li*al\, n. [Heb. beli ya'al; beli without + ya'al profit.]

An evil spirit; a wicked and unprincipled person; the personification of evil.

What concord hath Christ with Belia ? --2 Cor. vi. 15.

A son (or man) of Belial, a worthless, wicked, or thoroughly depraved person. --1 Sam. ii. 12.

Source: Webster's Revised Unabridged Dictionary (1913)