Who is the Speaker in Milton's poem, On the Morning of Christ’s Nativity?

This poem maintains a single narrative voice throughout. In the introduction, they speak in the second-person plural ("our great redemption," for example), as part of a general group of redeemed Christians (4). The narrator, though they never use any singular pronoun to refer to themselves (the poem does not, for instance, contain any uses of the word "me" or "I"), does nonetheless seem to have some individual characterization, or at least agency, as they are depicted struggling to adequately introduce this story of staggering divine importance. As such, the narrator is likely an individual who represents all devout Christians who are awe-struck by the story of Christ's life.