He is a high ranked angel with large wings to reflect that. In front of others, he’s charming, alluring, righteous, kind and polite. While working on Earth, he shows his cruel nature. You witness it as his partner, it doesn’t matter to him if you know who he really is, he can shut you up if he wanted to. All angels working on Earth needed another angel to record things and make sure everything goes smoothly and safely as to not disturb souls. Human are merely bugs in his eyes