(Continued...)
9 Thus saith the Lord GOD; No stranger, uncircumcised in heart, nor uncircumcised in flesh, shall enter into My sanctuary, of any stranger that is among the children of Israel.
After Lord Jesus' future return, there will no more be the Canaanite in the House of The LORD. This is what the last verse of Zechariah 14 declares. Foreigners crept into the Levitical priesthood from the Nethinims (Canaanite bondservants Israel was not able to destroy per God's commandment. See Judges 2 & 3, 1 Kings 9).
10 And the Levites that are gone away far from Me, when Israel went astray, which went astray away from Me after their idols; they shall even bear their iniquity.
Again, both symbolic 'houses' of Israel rebelled and were guilty of that, and were thus scattered out of the land for it, only a small remnant of the "house of Judah" returned to Jerusalem, as it still is to this day the majority of Israelites, the ten tribes, are still scattered among the Gentiles.
11 Yet they shall be ministers in My sanctuary, having charge at the gates of the house, and ministering to the house: they shall slay the burnt offering and the sacrifice for the people, and they shall stand before them to minister unto them.
12 Because they ministered unto them before their idols, and caused the house of Israel to fall into iniquity; therefore have I lifted up Mine hand against them, saith the Lord GOD, and they shall bear their iniquity.
13 And they shall not come near unto Me, to do the office of a priest unto Me, nor to come near to any of My holy things, in the most holy place: but they shall bear their shame, and their abominations which they have committed.
14 But I will make them keepers of the charge of the house, for all the service thereof, and for all that shall be done therein.
God isn't going to destroy those Levites that erred when Israel went astray. But as ministers in the future Millennial Sanctuary, the idea is they will be in charge of menial tasks to serve as a type of shame.
15 But the priests the Levites, the sons of Zadok, that kept the charge of My sanctuary when the children of Israel went astray from Me, they shall come near to Me to minister unto Me, and they shall stand before Me to offer unto Me the fat and the blood, saith the Lord GOD:
16 They shall enter into My sanctuary, and they shall come near to My table, to minister unto Me, and they shall keep My charge.
Belay the idea of literal sacrifices. We now have sacrifices of praise towards The Father and His Son Jesus Christ.
The name "Zadok" means The Just. Lord Jesus Christ is the Melchizedek that met Abraham, and Melchi-zedek in Hebrew means King of The Just. This Zadok here is being applied in the generic sense for the saved in Christ, His elect priests and kings that will reign with Him, and serve Jesus at His table in that future time.
17 And it shall come to pass, that when they enter in at the gates of the inner court, they shall be clothed with linen garments; and no wool shall come upon them, whiles they minister in the gates of the inner court, and within.
18 They shall have linen bonnets upon their heads, and shall have linen breeches upon their loins; they shall not gird themselves with any thing that causeth sweat.
19 And when they go forth into the utter court, even into the utter court to the people, they shall put off their garments wherein they ministered, and lay them in the holy chambers, and they shall put on other garments; and they shall not sanctify the people with their garments.
20 Neither shall they shave their heads, nor suffer their locks to grow long; they shall only poll their heads.
21 Neither shall any priest drink wine, when they enter into the inner court.
22 Neither shall they take for their wives a widow, nor her that is put away: but they shall take maidens of the seed of the house of Israel, or a widow that had a priest before.
Belay those parts about marrying. Lord Jesus explained in The New Testament how those of the resurrection will be; they don't marry nor take in marriage, but are as the angels of God.
23 And they shall teach My people the difference between the holy and profane, and cause them to discern between the unclean and the clean.
24 And in controversy they shall stand in judgment; and they shall judge it according to My judgments: and they shall keep My laws and My statutes in all Mine assemblies; and they shall hallow My sabbaths.
The above is what Christ's elect Zadok priests will be doing during His future "thousand years" reign on earth. Those that erred will be taught the difference between what is holy vs. what is profane, and the difference between what is clean vs. unclean. And those who erred will stand in judgment all throughout the "thousand years".
25 And they shall come at no dead person to defile themselves: but for father, or for mother, or for son, or for daughter, for brother, or for sister that hath had no husband, they may defile themselves.
KJV
It must be remembered, that at Paul's "last trump", the 7th Trumpet, ALL... peoples are going to be either resurrected or 'changed' to the "spiritual body". None will be in a flesh body any longer after Christ's future return. I know most in the Church teach that the change to the "spiritual body" is only for Christ's Church, but that is not true per Isaiah 25 which hints of the casting off of these flesh shells happening for everyone, the wicked included.
That means this "dead person" in that future Millennial time is about one that is unsaved, in the "outer darkness", and is spiritually dead without Christ, and thus not born again. The Zadok, for sake of a loved one that is unsaved in that, they may go outside the gates of the beloved city and minister to their spiritually dead relatives.