1 Kings 14

2 witnesses of Christ here.

Jehovah

Go, tell Jeroboam, Thus saith the LORD God of Israel, Forasmuch as I exalted thee from among the people, and made thee prince over my people Israel, 1 Kings 14:7–9

Jehovah, the premortal Christ, speaks through Ahijah as the One who raised Jeroboam up. Jeroboam's sin is personal: he threw the Lord who exalted him behind his back.

AttestedJehovah — the LORDHe speaks in the first persona messenger speaking for Him

How we know: Jehovah is the premortal Christ (Abraham 1:16; D&C 110:3–4)

alludes to 1 Kings 11:37-38 — The conditional promise Jehovah made to Jeroboam, which he has broken.
fulfilled by 1 Kings 15:29 — Baasha destroys the house of Jeroboam according to the saying of the LORD by Ahijah.

Jehovah (His name at Jerusalem)

And Rehoboam the son of Solomon reigned in Judah. Rehoboam was forty and one years old when he began to reign, and he reigned seventeen years in Jerusalem, the city which the LORD did choose out of all the tribes of Israel, to put his name there. And his mother’s name was Naamah an Ammonitess. 1 Kings 14:21

Jehovah chose Jerusalem as the place for His name to dwell, even while its king did evil. That same city is where the Savior would later suffer, die and rise again.

AttestedJehovah — the LORDA divine name

How we know: Jehovah is the premortal Christ (Abraham 1:16; D&C 110:3–4)

alludes to Deuteronomy 12:5 — The place the LORD would choose 'to put his name there'.