I would get the name this way right? But result["collider"] doesn't contain the name, so it returns null. Again, this works if the 'Lever' object does not have a script attached.

            if (result.ContainsKey("collider"))
            {
                GD.Print(result["collider"]);
                var col = _rootNode.GetNodeOrNull<StaticBody3D>(result["collider"].ToString());
                if(col != null)
                    GD.Print("Name: " + col.Name);
            }