Eliyahu is part of the Mesorah (IIRC, from Achiya?) and has real S’micha (and will relink the chain). As such, he is everyone’s Rebbe, and everyone will listen to his P’sak, when he comes in the flesh. That is the whole concept of Taiku.
???? ?? ????? ??? would apply to a Malach, not to a person, and certainly not to someone who was Mekabel the Torah as part of the Mesorah.