Diagram of people inter-relationships

I have been using the mind map diagramming software to create a spectrum of modes of people inter-relationships. Here is the result:

Click on the diagram to bring it up to view much more clearly; use the back button to return here. Looking at it now, I see that there needs to be an added item, "co-worker" perhaps clockwise from "employee" although that seems to be a subcategory that does not yet fit smoothly into the diagram. Perhaps it is like "lover" in that it needs to be in both the upper and lower halves of the diagram.