Strong's G2557 — κακοῦργος (adjective)
kakourgos (kak-our`-gos) adj.
1. a wrong-doer, i.e. criminal
[from G2556 and the base of G2041]
KJV: evil-doer, malefactor 
Root(s): G2556, G2041 
Hebrew root: ἔργον
Occurrences: 4