Otoharo!
I am glad you have clarified a bit what you refer to as spirit. In my vocabulary, spirit is a word for God or some function of God. I would call visits from a deceased person as that person. If someone I do not know, but I discern it is a former human, I would consider a ghost or "spook".
I have likely told about how Francisco Coll came to earth to work at clearing away all the souls of people who hang around earth rather than going on to other places. We nicknamed them spooks. When a person does not know that they are dead, or realize it, they may conitnue to live their old life and may be dwelling in the same dwelling as current residents. When I went on cleansings of the planet, I could see these souls pop up out of houses like popcorn. It is good to assist them to go on about their own business rather than to hang around here. We referred to a soul as going "home" whereever it is that is their place to be.
When one reads the Urantia Book and discover all the worlds where people without bodies can inhabit. There is an approtriate place for everyone at all times.
finality
