At this point, Zachary wasn't afraid of being exposed—he was afraid of Charlie and Don Albert kicking him to the curb.
As such, when Charlie told him to expose his own wrongdoing and apologize personally to Raymond, he felt salvation.
Sobbing, he said, "Thank you for forgiving me, Master Wade! From now on, I will keep myself grounded—no more cheeky tricks, I swear on my life!"
Still, Charlie asked, "I told you to apologize—when did I say you're forgiven?"
"What…?" Zachary blurted. "B-But the