[@OtomostheCrazy] alternatively, and easier, is Evelyn tells him the girl is to be given a full pardon for service and loyalty to the dawn.
After that, he will leave her alone until otherwise caught doing something that opposes the dawn covenants agenda.

He still had higher rank than most of ye' too, so best learn to jump when he says so. He doesn't take kindly to being ignored by his lessers.