Radak: The pronoun precedes the noun. We find like this, e.g. "va'Yshano Es Taimo" (Shmuel I, 21:14).

Malbim: Do not say that he will not heed you, and via your warning, he will reverse to become a Rasha. Surely he will heed you!

Radak: It is one who was already a Tzadik, and he does not retract from this.

Malbim: He does not do even a small sin of Shogeg, for it is considered Mezid for him.

Radak: This is like Chayah; there is a Vov in place of a Hei, the last letter of the root.

Malbim: Via warning him, you cause him to be careful, and live - and also, you save yourself.