Possible Clues:

• Residents of northern Canada
• Northerner's home close to heart of S American capital
• Eskimo word for "Eskimo"
• Nanook of the North, e.g
• They're in with you where it is cold
• Eskimo people of Greenland, Canada and Alaska
• Into Brazil, say, one following another Northerner
• Someone from Greenland wearing formal clothing? Not at first
• One in an igloo, perhaps
• Traditional sled builders