Nazirites have certain restrictions on them for the duration of their vow. It demonstrated a higher level of commitment and holiness in service to God. In the New Testament, the most famous Nazirite is known as John the Baptist, who had a lifetime vow. But when it comes to Messiah, why wasn't He a Nazirite?

https://www.restorationmessiah.com/media/2t8rw8z/torah-32-numbers-4-7-new-testament-nazirites