Years before breaking through in Hollywood, due in large part to his work on the hit series Reservation Dogs, Dallas Goldtooth was well known for his activism. As the Keep it in the Ground campaign organizer for the Indigenous Environmental Network, Goldtooth, who is Dakota and Diné, led campaigns against the Keystone XL pipeline and Dakota Access Pipeline. So, when opportunities for acting roles starting rolling in, Goldtooth admits he was a li…