Moses
Numbers 6:17ESV·traditional attribution

and he shall offer the ram as a sacrifice of peace offering to the LORD, with the basket of unleavened bread. The priest shall offer also its grain offering and its drink offering.

Matthew Henry Presbyterian @wholebiblehenry

After the law for the discovery and shame of those that by sin had made themselves vile, fitly follows this for the direction and encouragement of those who by their eminent piety and devotion had made themselves honourable, and distinguished themselves from their neighbours.

Commenting on Numbers 6:1-21

John Gill Reformed Baptist @doctorgill

And the Nazarite shall shave the head of his separation, at the door of the tabernacle of the congregation,.... The Targum of Jonathan is,"and the Nazarite shall shave the head of his separation without,''without the tabernacle, the door of it, where the people assembled together; so that this was to be done publicly, that it might be known of all, and no offence taken at...

Keil & Delitzsch Lutheran @keilanddelitzsch

Num 6:17 The completion of the consecration vow was concentrated in the preparation of the ram and the basket of unleavened bread for the peace-offering, along with the appropriate meat-offering and drink-offering.