'Pretend' in the Bible

"Son of Man, tell Tyre's Commander-in-Chief, "This is what the Lord GOD says: "Because your heart is arrogant, and because you keep saying, "I have taken my seat, I am a god, seated in God's seat right in the middle of the sea,' and because you're a man, and not a god, even though you pretend that you have a god-like heart"