Cats who live outside the clans. They are either The Exiled, Rogues, or Kittypets
Cats be raised by humans. They are often fluffy, fat, and have everything in life they are wanted. Often times, these cats would get bored of thier life and go rouge or join a Clan. They are identified from the other cats from their silky pelt and the collars that they wear.
Cats who wander the territory. They often join the Clans as Warriors or Apprentices. They often appear on the borderlines of the clans or wandering around aimlessly through the Clans. They are sometimes former Warriors or Apprentices.
Cats who were born outside the clans. They come into the clans where they can join a clan or just hang around there before they move on to a different territory.