Ungodly witness - literally, “Witness of Belial,” “worthless,” “untruthful.”
Devoureth iniquity - Seizes on it eagerly, as a dainty, lives on it.
SDA Bible Commentary (limited)
Volume 1-7
28. Scorneth judgment. He is not concerned with seeing justice done, so is willing to perjure himself to aid his friend or to harm the innocent. He is careless of the denunciations of the law of God against such practices (Ex. 20:16; Lev. 5:1).