'Enemy' in the Bible

Wherefore hidest thou thy face, and holdest me for thine enemy?

He teareth me in his wrath, who hateth me: he gnasheth upon me with his teeth; mine enemy sharpeneth his eyes upon me.

Let mine enemy be as the wicked, and he that riseth up against me as the unrighteous.

Behold, he findeth occasions against me, he counteth me for his enemy,