… most common First Nations language in Canada, is … the language of Aboriginal people in New … First Nations language — said he would welcome the addition of his native … Canada’; will help them understand the difference between First Nations, Metis, and Inuit …… most common First Nations language in Canada, is … the language of Aboriginal people in New … First Nations language — said he would welcome the addition of his native … Canada’; will help them understand the difference between First Nations, Metis, and Inuit …