The Different Hierarchies of Angelic Beings

Ben: I saw a post on Facebook some time ago from non-tenant who's the co-author of, it's good to be a man with Michael Foster. It was so fascinating to me the way that he phrased this that it really got my wheels turning on thinking about the classifications between things like demons and human spirits. Ben: Are there different hierarchies of angelic beings? Are there things like spiritual beings that maybe are more in the fairy world? What does the scriptures say even about things like ghosts and human spirits?