G2557
κακοῦργος
criminal
κακοῦργος, -ον (contr. from epic κακόεργος), [in LXX. Pro.21:15 (אָוֶן, פָּעַל), Est.8:13, Sir.11:33 33:26 (Sir.33:26)* ;] a malefactor, criminal: Luk.23:32-33, 39, 2Ti.2:9.† (AS)
The KJV translates G2557 in the following manner:
malefactors (6x), doer (2x)
Full Thayer's lexicon entry
κακοῦργος — kakoûrgos
κακοῦργος, κακουργον (contracted from κακοεργος, from κακόν and ἘΡΓΩ; cf. πανοῦργος, and on the accent of both see Göttling, Lehre v. Accent, p. 321; (Chandler § 445)), as a substantive, a malefactor: 2Ti 2:9; of a robber, Luk 23:32 f (cf. Winers Grammar, 530 (493); Buttmann, § 150, 3), 39. (Pro 21:15; in Greek writings from (Sophocles and) Herodotus down.)
4 occurrences
Luke (3), II Timothy (1)