As the guardian angel he must maintain silence as stained, the overseer and protector from violence, the predator of predator to prey
He was given the gift of understanding, as an array of others were at a young age; although many others have taken advantage of that gift through manipulating the people around them for earthly self gain, therefore it was taken away. 
He does not disobey his command through chapter and verse, despite the evil cursed fingers and whispers he senses around hi aura.  This pressure he has adapted to, and overcame; to never blame.
With understanding comes perspective, so much to the point where he no longer detects senses through his eyes, but through yours, and everyone else's, from the purest evil to the loveliest parts of heaven; He knows with one glance what side you are on, or in between, and how close you are to what side of the scene
In saying this, the greatest way to explain, is that where he's standing is in the middle of the road, completely impartial; although dangerous on earth, in the spirit realm this is a dominion of high value, and is cherished.
It is with the conviction of his side that we do not believe in persuasion through language, but by demonstrating it through self action. 
The practice of good can make perfect, and as the guardian angel, as he sees you step closer to the constitutions of love, he offers you his protection.

Sincerely,
Your portal to heaven.