chag.gay is the proper name of the prophet through whom the LORD's word is delivered and who addresses the people.

The attested forms consistently identify a prophet: the LORD's word comes by or to him, the people obey his words, and he speaks or answers in messages concerning the people.

1. The prophet named in divine messages · dominant

   All occurrences are tagged Noun · Proper and identify the same individual. In Haggai 1:1, Haggai 1:3, Haggai 2:1, Haggai 2:10, and Haggai 2:20, the APB renders clauses in which the word of the LORD comes by or to this prophet; in Haggai 1:12, Haggai 1:13, Haggai 2:13, and Haggai 2:14, he is the speaker whose words are obeyed or who addresses the people.

   Haggai 1:1Haggai 1:12Haggai 1:13Haggai 1:3Haggai 2:1Haggai 2:10

In the Anselm Project Bible: The APB presents the form as the personal name “Haggai,” often with “the prophet,” and depicts him as recipient or messenger of the LORD's word and as a speaker. These clauses establish the named figure's role rather than a separate English rendering for each occurrence.