and it shall be to him and to his seed after him a covenant of an everlasting priesthood, because he was ardent for his Elohim, and made atonement for the children of Yisra’ĕ
and shall gird them with girdles – Aharon and his sons – and put the turbans on them. And the priesthood shall be theirs for an everlasting law. So you shall ordain Aharon and his sons.
And it came to be on the next day that Mosheh said to the people, “You, you have sinned a great sin. And now I am going up to יהוה – if I might atone for your sin.”
and shall anoint them, as you anointed their father, and they shall serve as priests to Me. And their anointing shall be for them an everlasting priesthood throughout their generations.”
But you shall be called, ‘Priests of יהוה,’ ‘Servants of our Elohim’ shall be said of you. You shall consume the strength of the gentiles, and boast in their esteem.
‘And the priest shall prepare them, the one as a sin offering and the other as a burnt offering. And the priest shall make atonement for him before יהוה because of his discharge.
So Mosheh said to Aharon, “Take the fire holder and put fire in it from the altar, and lay incense on, and go, hurry to the congregation and make atonement for them, for wrath has gone out from יהוה, the plague has begun.”
And Aharon took it as Mosheh commanded, and ran into the midst of the assembly, and saw that the plague had begun among the people. And he laid on the incense and made atonement for the people,
So in every way He had to be made like His brothers, in order to become a compassionate and trustworthy High Priest in matters related to Elohim, to make atonement for the sins of the people.
you also, as living stones, are being built up, a spiritual house, a set-apart priesthood, to offer up spiritual slaughter offerings acceptable to Elohim through יהושע Messiah.
But you are a chosen race, a royal priesthood, a set-apart nation, a people for a possession, that you should proclaim the praises of Him who called you out of darkness into His marvellous light,