Hebrews 13:10

We have an altar - to eat out of which, they, have no right, who in the tent are doing divine service;

1 Corinthians 9:13

Know ye not that, they who labour in the holy rites, do eat the provisions out of the holy place? They who at the altar wait, do, with the altar, share?

Numbers 3:7-8

so shall they keep his charge, and the charge of all the assembly, before the tent of meeting, - to do the laborious work of the habitation;

Numbers 7:5

Take them of them, so shall they be for doing the laborious work of the ten of meeting, - and thou shalt give them unto the Levites, to every man according to the need of his laborious work.

1 Corinthians 5:7-8

Purge ye out the old leaven, that ye may be a new lump, - even as ye are unleavened; for, our passover, hath even been sacrificed - Christ:

1 Corinthians 10:17-18

Because, one loaf, one body, we, the many, are, for we, all, of the one loaf, partake.

1 Corinthians 10:20

On the contrary - that, the things which the nations sacrifice, unto demons, and not unto God, they sacrifice; and I wish not that ye should become, sharers together with the demons!

Treasury of Scripture Knowledge

Summary

We have an altar, whereof they have no right to eat which serve the tabernacle.

Bible References

An altar

1 Corinthians 5:7
Purge ye out the old leaven, that ye may be a new lump, - even as ye are unleavened; for, our passover, hath even been sacrificed - Christ:
1 Corinthians 9:13
Know ye not that, they who labour in the holy rites, do eat the provisions out of the holy place? They who at the altar wait, do, with the altar, share?
1 Corinthians 10:17
Because, one loaf, one body, we, the many, are, for we, all, of the one loaf, partake.

Serve

Numbers 3:7
so shall they keep his charge, and the charge of all the assembly, before the tent of meeting, - to do the laborious work of the habitation;
Numbers 7:5
Take them of them, so shall they be for doing the laborious work of the ten of meeting, - and thou shalt give them unto the Levites, to every man according to the need of his laborious work.

General references

Exodus 37:25
And he made the incense altar, of acacia wood, - a cubit, the length thereof, and, a cubit, the breadth thereof, foursquare, and two cubits the height thereof, of the same, were the horns thereof.
Exodus 40:6
and thou shalt place the altar for the ascending-sacrifice, - before the opening of the habitation of the tent of meeting;
Isaiah 19:19
In that day, shall there be An altar unto Yahweh, in the midst of the land of Egypt, - And a pillar near the boundary thereof unto Yahweh;
Luke 5:38
But, new wine, into unused skins, must be poured.