That dwarf was resurrected using the dragon orb. If you check the past chapters, the dragon orb fell on a skeleton by accident. That's why there's an extra person there in the island
It's funny how the maid was willing to sacrifice the heir apparent to be beaten black and blue, just because her position in the family had always been low. They forgot that they could also confront the madam rather than having the daughter sacrifice.
Must be hard for MC to survive when the duchy assassins are everywhere and her head could just roll anytime. She had to endure the maltreatment and find a way to be a little bit happy from her misery.