ἀντίδικος (antídikos|an-tid'-ee-kos|noun|accuser; opponent)
[Grk] ἀντίδικος LN: 39.9, 56.11 GK: G508 Hebrew: רִיב‎
Derivation: from ἀντί and δίκη;
Strong's: an opponent (in a lawsuit); specially, Satan (as the arch-enemy)
KJV: --adversary.
See: ἀντί
See: δίκη