Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
KJV

2 Kings 5:1

Now Naaman, captain of the host of the king of Syria, was a great man with his master, and honourable, because by him the Lord had given deliverance unto Syria: he was also a mighty man in valour, but he was a leper.

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