Short answers, pulled from the story.
The first known settlers of the Faroe Islands were Gaelic hermits and monks who arrived in the 6th century. Norse-Gaels began arriving in the ninth century, bringing Norse culture and language with them.
Faroe Islanders are of mixed Norse and Gaelic origins. Y chromosome analysis shows 87% Scandinavian male-line ancestry, while mitochondrial DNA shows 84% Celtic female-line ancestry.
Grímur Kamban is identified in the Icelandic Færeyinga saga as the first settler of the Faroe Islands. His surname Kamban indicates Celtic origin, suggesting he may have come from Ireland, Scotland, or the Isle of Man.
Faroe Islanders speak Faroese, a North Germanic language closely related to Icelandic and western Norwegian varieties. It is one of the languages that developed from the Norse speech brought to the islands in the ninth century.
About 21,000 Faroese live in neighbouring countries, particularly in Denmark, Iceland, and Norway. Most Faroese hold citizenship in the Kingdom of Denmark, of which the Faroe Islands are a constituent nation.
The Færeyinga saga is an Icelandic text written around 1200 that describes events from roughly 300 years earlier. It records that Norsemen who opposed King Harald Fairhair's unification politics fled westward to places including the Faroe Islands.