Moloch (Acts 7:43) occurs in a quotation from Amos 5:26. The Hebrew has ‘your king’; thus the Septuagint may either be an explanatory gloss or represent another text. Moloch is spoken of in the OT as the god of the Ammonites, and is evidently the national deity, just as Chemosh is the god of Moab, and Jahweh the God of Israel, though the worship of other gods is not precluded. The Israelites regarded Moloch as an ‘abomination,’ and their temporary adoption of the worship of Moloch in the Valley of Hinnom gave rise to the ominous meaning attaching to ‘Gehenna.’
F. W. Worsley.