And for this reason, Rebbe, Melech HaMoshiach was obliged to become like the Achim b'Moshiach [2:11] in every respect, that he might become a Kohen Gadol rachaman v'ne'eman before Hashem in order to make kapporah for the chatta'im of HaAm. [Isa 53:8; 49:7]