Then he justified his suitability for the matter over them by saying: "Indeed, I am for you" [meaning:] while being your brother, what harms you harms me, and what pleases you pleases me. "A Messenger" means: from your Creator, so there is no way for me to avoid conveying what I have been commanded. "Trustworthy" means: there is no deceit with me, as you know that about me from your long experience with me, and there is no betrayal in anything of the trust. Therefore, it is necessary for me to convey all of the message.