Or if his sin - Rather, And if his sin.

Come to his knowledge - That is, when he had become conscious of his sin.

A …

Or if his sin. —This means, if he fails to see it himself, his sin is pointed out to him by another person.

Or if his sin wherein he has sinned come to his
knowledge
Or rather, "and if his sin"…

Those who have power to call others to account are themselves accountable to the Ruler of rulers. The sin of the ruler, committed through ignorance…