2 Kings 5:1

By him the Lord had given deliverance unto Syria - An Assyrian monarch had pushed his conquests as far as Syria exactly at this period, bringing into subjection all the kings of these parts. But Syria revolted after a few years and once more made herself independent. It was probably in this war of independence that Naaman had distinguished himself.

But he was a leper - leprosy admitted of various kinds and degrees Leviticus 13; Leviticus 14 Some of the lighter forms would not incapacitate a man from discharging the duties of a courtier and warrior.