Belial

"Worthlessness, frequently used in the Old Testament as a proper" name. It is first used in Deut. 13:13. In the New Testament it "is found only in 2 Cor. 6:15, where it is used as a name of" "Satan, the personification of all that is evil. It is translated" wicked in Deut. 15:9; Ps. 41:8 (R.V. marg.); 101:3; Prov. "6:12, etc. The expression "son" or "man of Belial" means simply" "a worthless, lawless person (Judg. 19:22; 20:13; 1 Sam. 1:16;" 2:12).

Definition of Belial:
"wicked, worthless"