I don't think he means to ill-treat them—he's a kind-hearted man.
Is it not even worse to ill-treat a stranger than one who is at home?
She was an angel, Sanders went about whining when he had no longer a woman to ill-treat.
When they join, the officers may ill-treat them, pull their hair, and strike them with impunity.
But if you ill-treat me I shall leave your house and ...