I had this as a clue for a cross word today and the answer turned out to be LAPP.
Danes
They were constantly being attacked by the natives.
Genetically and culturally they are Germanic.
Natives of Laos are called Laotian.
Troll
The Vikings.
aquavit
Skaal.
tribe of natives
Their natives are called Aborigines.
Natives fom Belgium are called Belgians.
sagas
People from Spain are called Spanish spaeking Natives and people from Natives lands are called Natives, Indians, or there initial tribe name.