Gift of the priesthood was a gift to serve.

[the old scribe]

The Lord said to Aaron, I am giving you the service of the priesthood as a gift.
Numbers 18:7b (NIV)

The LORD gave Aaron the priesthood as a bestowed service
Numbers 18:7b (NASB)
Note: bestow is to give, confer, or bequeath as a gift.

I have given your priest's office unto you as a service of gift:
Numbers 18:7b (KJV)

Priesthood or the office of the priest was a gift to Aaron.
Numbers 18:7b indicates the gift of the office of priest was to serve.

One who offers a service may make the service available to all, but it is the responsibility of others to request or partake of the service.
Service cannot be forced on others but must be accepted willingly.

The questions arise:
Are the gifts under the New Covenant, likewise, for service?
Do gifts from the LORD include any elements of ruler or governor?

 

[tturt]

"Now there are diversities of gifts, but the same Spirit.
But the manifestation of the Spirit is given to every man to profit withal." I Cor 12:4, 7

Not a single ruler or governor (that I see)
"But ye are a chosen generation, a royal priesthood, an holy nation, a peculiar people; that ye should shew forth the praises of him who hath called you out of darkness into his marvellous light;
Which in time past were not a people, but are now the people of God: which had not obtained mercy, but now have obtained mercy." I Peter 2:9-10

Do you see ruler or governor?

 

[the old scribe]

"Now there are diversities of gifts, but the same Spirit.
But the manifestation of the Spirit is given to every man to profit withal." I Cor 12:4, 7

Not a single ruler or governor (that I see)
"But ye are a chosen generation, a royal priesthood, an holy nation, a peculiar people; that ye should shew forth the praises of him who hath called you out of darkness into his marvellous light;
Which in time past were not a people, but are now the people of God: which had not obtained mercy, but now have obtained mercy." I Peter 2:9-10

Do you see ruler or governor?

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My questions, “Are the gifts under the New Covenant, likewise, for service?" and "Do gifts from the LORD include any elements of ruler or governor?” were rhetorical to point out that gifts of the Spirit do not include the position of boss but for service. Then there is the topic "Gift of the priesthood was a gift to serve." Your question is also assumed to be rhetorical.