Pal will definitely try to encourage the good ghosts to come and beg them not to cause trouble! I think the mods will have to weigh in on whether or not it works.

He will also be willing to help with just about anything, from decorating, to helping her get dressed, to...idk, ushering? He won't be good at any of it, but he will be excited. At some point he'll probably suggest using skeletons for manual labor, plz feel free to reject this idea outright, Cece.