Romans 12:7

or, if we have a ministry, let us be active in our ministry; if any one teaches, let him attend to his teaching;

Acts 6:3-4

Therefore, brethren, select from among yourselves seven men, of good report, full of the Holy Spirit and of wisdom, whom we may appoint over this business:

Ephesians 2:19

Now, therefore, you are no longer strangers and sojourners, but fellow-citizens with the saints, and of the household of God,

1 Timothy 4:15-16

Meditate upon these things; give yourself wholly to them, that your advancement may be manifest in all things.

Hebrews 8:4

For if he were on earth, he could not be a priest; because there are priests that offer gifts according to the law:

Hebrews 10:19-22

Having therefore, brethren, confidence to enter the holiest by the blood of Jesus,

Treasury of Scripture Knowledge

Summary

And thou shalt appoint Aaron and his sons, and they shall wait on their priest's office: and the stranger that cometh nigh shall be put to death.

Bible References

They shall

Acts 6:3
Therefore, brethren, select from among yourselves seven men, of good report, full of the Holy Spirit and of wisdom, whom we may appoint over this business:
Romans 12:7
or, if we have a ministry, let us be active in our ministry; if any one teaches, let him attend to his teaching;
1 Timothy 4:15
Meditate upon these things; give yourself wholly to them, that your advancement may be manifest in all things.

And the stranger

Ephesians 2:19
Now, therefore, you are no longer strangers and sojourners, but fellow-citizens with the saints, and of the household of God,
Hebrews 8:4
For if he were on earth, he could not be a priest; because there are priests that offer gifts according to the law:
Hebrews 10:19
Having therefore, brethren, confidence to enter the holiest by the blood of Jesus,