He casts 'calm emotion's on her to get her to settle down. "Look, as long as you serve me, you're under my protection. Anyone who tries anything with you will face my wrath, understand? Just do what I say, and don't get in my way, and no harm shall come to you from me or from anyone else, got it?"
spells used - https://roll20.net/compendium/dnd5e/...otions#content