ACTUP: Association of California Tribes for Unseating Trump
ART: Alliance of Republican Tribes
BELT: Band of Eleven Libertarian Tribes
COLT: Coalition of Large Tribes
COSTLY: Council of Small Tribes for the Liberation of the Yukon
GASHOG: Groups of AmerIndians Singing for a Hot Oily God
MIGHT: Michigan Indians Greatly Hating Trump
MOOGIE*: Men going On and On about Gasoline, Indians, and Energy
NCAI: National Coalition of Atheist Indians
PIGLET: Privatization Indians Going to LovE Trump
PIPE: Progressive Indians Protesting Evil
TCHWUNK**: Trump-lovers Challenging Willing and Unattached Natives to Kiss
TIGER: Tribes in Giant Elevated Reservations
TRIBES: Tribes Revelling In Boring Extraction Science
ZINKE: Zealous Indians in Native Kommunities on Earth
The answer is COLT.
* Tchwunk
** Moogie.