Q: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Snorri states that this figure should be called "kinsman of Ali", and Vartari is a thong used by a dwarf to sew this figure's mouth shut. This brother of Byleist was once captured and held in a wooden chest by the villainous King Geirroth. He is represented by the Kaunaz, a vulva-shaped rune, and one of his sons created the Van River. This slayer of Fimafeng captured the dwarf Andvari in a net and is the son of Laufey and Farbauti and the father of Narfi. To delay the building of Valhalla, this figure copulated with a horse, but his usual consorts are Sigyn and Angrboda. The father of Sleipnir, Fenrir, and the Midgard Serpent, for ten points name this trickster from Norse myth.
A:
Social Science