x1 is/reflects/pertains to Native American/Amerindian/First Nations person(s) ['race'; generalized] culture/status in aspect x2, of subtype/particular subcategory/group/tribe x3, by definition/standard/societal classification system x4
x1 is/reflects/pertains to race/societal(/social) classification x2 culture/status in aspect x3, of subtype/particular subcategory/group/tribe x4, by definition/standard/societal classification system x5