The Tribe is only in the next couple of chapters at most but I thought I'd supply you with a list of their cats. Oops. Just gave away the point that you'll see more of the tribe, didn't I? My bad.
The Tribe of Rushing Water
Tribe-Healer: Ridge of Sharp Stones (Ridge)—A young, slender brown tabby with amber eyes
Prey-Hunters:
Storm Clouds At Dusk (Storm)—Dark gray tom
Flight of Startled Heron (Flight) —Brown tabby she-cat
Screech of Angry Owl (Screech) —Black tom
Splash When Fish Leaps (Splash) —Light brown tabby she-cat
Cave-Guards:
Talon of Swooping Eagle (Talon) —Dark brown tabby tom
Jagged Rock Where Heron Sits (Jag) —Dark gray tom
Kit-Mothers:
Moss That Grows By River (Moss) —Light brown she-cat (Four older kits)
Pebble That Rolls Down Mountain (Pebble)—Gray she-cat (Two young kits)
To-Bes:
Cloud That Blocks The Sun (Cloud) —Dark gray tom (cave-guard)
Grass Growing on Rock (Grass) —Light brown tabby she-cat (cave-guard)
And of course you'll be seeing more of the Nation so I'll give you the allegiances with the main cats at the moment.
The Fireclaw Nation
Lead Huntress:Bengalfang—Large silver she-cat with black spots. Cold blue eyes
Captain(s):
Streamfang—Large silver she-cat with black spots. Cold blue eyes. Twin/sister of Bengalfang
Apprentice: Echopaw
Stoneclaw—Massive brown tom with one sightless eye
Healer: Willowclaw—small light brown she-cat with blue eyes
Paladins': (hunters and fighters)
Moss—Fierce tabby she-cat
Spruce—Snappy black tom
Jet—Black tom with amber eyes
Apprentice: Adderpaw
Snap—Tortoiseshell tom
Fox—Russet colored tom
Shadow—huge black tom with amber eyes
Autumn—Ginger she-cat with splash of white on her chest
Fade—Pale silver she-cat with pale blue eyes
Stone—Dark gray-brown tom
Slate—Nearly black tom
Unproven: (Cats who have not proven/too weak that they can be apprentices or paladins)
Doveleaf—Sleek gray she-cat
Amberpaw—Ginger she-cat with gray streaks and orange eyes
Lizardpaw—Golden she-cat with green eyes
Shrewheart—Gray she-cat with black feet
Pinefur—Very short-haired tabby she-cat
Whitetail—Small white she-cat expecting kits
Rosestorm—Cream colored she-cat. Expecting Foxleap's kits
Squirrelflight—Dark ginger she-cat with green eyes
Tenderfoot': (Called both apprentices and tenderfoot)
Adderpaw—Gray and white patched tom
Echopaw—Pale gray she-cat
Queens:
Aspen—dark brown she-cat
Twig—Small light brown she-cat
Sightless': (also called kits)
Screechkit—Dark brown tom (Aspen)
Fernkit—Pale brown she-cat (Aspen)
Needlekit—Tabby she-cat (Pinefur)
Twigkit—Brown she-cat (Pinefur)
Woodkit—Light tabby tom (Pinefur)
Cedarkit—Dark ginger tom (Squirrelflight)
Thicketkit—Brown tom with green eyes (Squirrelflight)
Cryptidkit—Brown tabby she-cat (Squirrelflight)
Please realize that there are many more Nation cats than these but these are the ones you will be seeing! If you haven't realized, the queens and kits were automatically forced to join the Nation along with their kits