[kbs666]

It's almost always better to use a cast list where an NPC lives rather than grouping the NPC under the organization they're a member of and to use relationships to indicate membership. First an NPC could potentially belong to more than one group but can be contained by only one topic. Relationships have no such constraints.

I know it can seem quite "unnatural" to do things this way but the more you use RW for running games, at least IMO, the more you'll find it helps you find things on the fly.