Foe
From BiblePortal Wikipedia
Vine's Expository Dictionary of NT Words [1]
1: Ἐχθρός (Strong'S #2190 — — echthros — ekh-thros' )
an adjective signifying "hated, hateful, or hostile," is used also as a noun denoting "an enemy," translated "foes" in Matthew 10:36 and the AV of Acts 2:35 . See Enemy.
Webster's Dictionary [2]
(1): ( v. t.) To treat as an enemy.
(2): ( n.) One who opposes on principle; an opponent; an adversary; an ill-wisher; as, a foe to religion.
(3): ( n.) One who entertains personal enmity, hatred, grudge, or malice, against another; an enemy.
(4): ( n.) An enemy in war; a hostile army.