which languages do they use?
Inuinnaqtun, Inuktitut, Inuvialuktun, and Greenlandic languages.
Inuit
Inuit speak Inuinnaqtun, Inuktitut, Inuvialuktun, and Greenlandic languages, which belong to the Inuit-Inupiaq branch of the Eskimo–Aleut language family. The Greenlandic languages are divided into: Kalaallisut (Western), Inuktun (Northern), and Tunumiit (Eastern).

Inuktitut is spoken in Canada and along with Inuinnaqtun is one of the official languages of Nunavut; they are known collectively as the Inuit Language. In the Northwest Territories, Inuvialuktun, Inuinnaqtun and Inuktitut are all official languages. Kalaallisut is the official language of Greenland. As Inuktitut was the language of the Eastern Canadian Inuit and Kalaallisut is the language of the Western Greenlandic Inuit, they are related more closely than most other dialects.

Inuit in Alaska and Northern Canada also typically speak English. In Greenland, Inuit also speak Danish and learn English in school. Canadian Inuit may also speak Québécois French.
who set up indian residential schools in canada Christian churches. is the government involved? Yes, it was funded by the Department of Indian Affairs of the Canadian government. did any deaths take place there? Yes, it is estimated to range from 3,200 to upwards of 6,000. what are its effects? Historic trauma resulting in loss of culture along with prevalence of sexual abuse, alcoholism, drug addiction, lateral violence, mental illness and suicide among Indigenous peoples. did anyone have to apologize? Archbishop Michael Peers on behalf of the Anglican Church of Canada . what was vatican's response? It released an official expression of sorrow on the church's role in residential schools. was the archbishop a part of any ministry? Yes, the ministry on the prairies. in what capacity? He was considered to be a keen sympathiser with the ideals of prairie populism. what was the purpose of the schools? To remove the Indigenous children from the influence of their own culture and assimilating them into the dominant Canadian culture, "to kill the Indian in the child." which groups of these people live in the country? The First Nations, Inuit and Métis. where are the third group of people based? In  Canada and parts of the United States between the Great Lakes region and the Rocky Mountains. do they have any legal definition? No, there is no comprehensive legal definition of Métis status in Canada. when did the second group of people have their first contact with the europeans? After the disappearance of the Norse colonies in Greenland, Inuit had no contact with Europeans till the mid -16th century.
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Inuit [SEP] Languages
Inuit speak Inuinnaqtun, Inuktitut, Inuvialuktun, and Greenlandic languages, which belong to the Inuit-Inupiaq branch of the Eskimo–Aleut language family. The Greenlandic languages are divided into: Kalaallisut (Western), Inuktun (Northern), and Tunumiit (Eastern). Inuktitut is spoken in Canada and along with Inuinnaqtun is one of the official languages of Nunavut; they are known collectively as the Inuit Language. In the Northwest Territories, Inuvialuktun, Inuinnaqtun and Inuktitut are all official languages. Kalaallisut is the official language of Greenland. As Inuktitut was the language of the Eastern Canadian Inuit and Kalaallisut is the language of the Western Greenlandic Inuit, they are related more closely than most other dialects.