Jehovah, guardian of the covenant line
But God came to Abimelech in a dream by night, and said to him, Behold, thou art but a dead man, for the woman which thou hast taken; for she is a man’s wife. Genesis 20:3–7
The God of Abraham speaks to a foreign king in a dream to protect Sarah, through whom the promised seed will come. Abimelech calls Him "LORD" in verse 4, and He calls Abraham a prophet.
VerifiedJehovah — the LORDHe speaks in the first person
How we know: a traditional type, cited · the chapter heading names Him