|The following is based on Fallout: Brotherhood of Steel 2 and is not canon.|
Fey is a farmer residing at the farmhouse between the truck stop and Lubbock.
Interactions with the player character
The player character can find the source of the rattlers by searching the fields. They will eventually encounter an albino rattler being controlled by Harry the Rattlemaster, a vagrant from Lubbock who has managed to control the rattlers in the area. Once both are taken out, the player character can return to Fey and receive good reputation.
Fey was going to appear in the canceled Fallout: Brotherhood of Steel 2.