Hadvar is a NPC in Skyrim. He strongly supports the Imperial reign in these Northern Lands. It seems that he and Ralof grew up knowing each other as at least acquaintances. He is a kind hearted person who believes that Skyrim should remain part of the Empire for its own good.
Location
Family
Uncle: Alvor
Occupation
Imperial Military. Rank: Soldier
Quests
He is featured in a number of Imperial Quests in a peripheral role such as:
Weapon
Inventory
Dialogue
While he doesn't have the most lines, he has unique lines for each of the races that the player can select:
Altmer: "You're not with the Thalmor Embassy, are you High Elf? No, that can't be right..." [...] "I'm sorry. We'll make sure your remains are returned to The Summerset Isle."
Argonian: "Are you a relative of one of the Riften dock workers, Argonian?" [...] "I'm sorry. We'll make sure your remains are returned to Black Marsh."
Bosmer: "Not many Wood Elves would choose to come alone to Skyrim." [...] "I'm sorry. We'll make sure your remains are returned to Valenwood.
Breton: You from Daggerfall, Breton? Fleeing from some court intrigue?" [...] "I'm sorry. We'll make sure your remains are returned to High Rock."
Dunmer: "Another refugee? Gods really have abandoned your people, Dark Elf." [...] "I'm sorry. We'll make sure your remains are returned to Morrowind."
Imperial: "You're a long way from the Imperial City. What're you doing in Skyrim?" [...] "I'm sorry. We'll make sure your remains are returned to Cyrodiil."
Khajiit: "You with one of the trade caravans, Khajiit? Your kind always seems to find trouble." [...] "I'm sorry. We'll make sure your remains are returned to Elsweyr."
Orsimer: "You from one of the strongholds, Orc? How did you end up here?" [...] "I'm sorry. We'll make sure your remains are returned to Orsinium."
Redguard: "What're you doing here, Redguard? You a sellsword? A sailor from Stros M'Kai?" [...] "I'm sorry. We'll make sure your remains are returned to Hammerfell."
Nord: "You picked a bad time to come home to Skyrim, kinsman." [...] "I'm sorry. At least you'll die here, in your homeland. "