Faravid was a legendary King of Kvenland who is mentioned in the Icelandic Egils saga

Egils saga

Egils saga is an epic Icelandic saga. The oldest transcript dates back to 1240 AD. The saga is centered on the life of Egill Skallagrímsson, an Icelandic farmer, viking and skald...

 from the early 13th century. According to the saga, Faravid made an alliance with Norwegians to fight against Karelian

Karelians

The Karelians are a Baltic-Finnic ethnic group living mostly in the Republic of Karelia and in other north-western parts of the Russian Federation. The historic homeland of Karelians includes also parts of present-day Eastern Finland and the formerly Finnish territory of Ladoga Karelia...

 invaders. The saga mentions him in a 9th century context, but this is too early to be credible as far as the Karelian attack is concerned. It is impossible to say whether he was borrowed to the story from a real-life context or invented by the author of the saga.

"Faravid" itself is not a Finnic name. It has sometimes been speculated that it could have been a Norse translation of names Kaukomieli ("far-yearning one") or Kaukamoinen ("far-traveling one"), known from Finnish folklore

Finnish mythology

Finnish mythology is the mythology that went with Finnish paganism which was practised by the Finnish people prior to Christianisation. It has many features shared with fellow Finnic Estonian mythology and its non-Finnic neighbours, the Balts and the Scandinavians...

.