Bible: Enemy Adversary

Repeated words found across different books in the Bible (KJV):
Exo 23:22
But if thou shalt indeed obey his voice, and do all that I speak; then I will be an enemy unto thine enemies, and an adversary unto thine adversaries.

Est 7:6
And Esther said, The adversary and enemy is this wicked Haman. Then Haman was afraid before the king and the queen.

Psa 74:10
O God, how long shall the adversary reproach? shall the enemy blaspheme thy name for ever?

Lam 2:4
He hath bent his bow like an enemy: he stood with his right hand as an adversary, and slew all that were pleasant to the eye in the tabernacle of the daughter of Zion: he poured out his fury like fire.

Lam 4:12
The kings of the earth, and all the inhabitants of the world, would not have believed that the adversary and the enemy should have entered into the gates of Jerusalem.