Both Uses

recluse
in
White Noise, by Don DeLillo
(Auto-generated)

Members of an air-crash cult will hijack a jumbo jet and crash it into the White House in an act of blind devotion to their mysterious and reclusive leader, known only as Uncle Bob.†
Part 2 *

reclusive = withdrawn from society (avoiding contact with others)
Drive past the scene several times, approach the motel on foot, swivel my head to look peripherally into rooms, locate Mr. Gray under his real name, enter unannounced, gain his confidence, advance gradually, reduce him to trembling, wait for an unguarded moment, take out the .25-caliber Zumwalt automatic, fire three bullets into his viscera for maximum slowness, depth and intensity of pain, wipe the weapon clear of prints, place the weapon in the victim's hand to suggest the trite and predictable suicide of a motel recluse, smear crude words on the walls in the victim's own blood as evidence of his final cult-related frenzy, take his supply of Dylar, slip back to the car, take the expressway†
Part 3

recluse = someone withdrawn from society (living alone and avoiding contact)

Definitions:

(1) (recluse)
someone withdrawn from society (living alone and avoiding contact)
(2) (meaning too rare to warrant focus)
Occasionally, recluse may refer to a venomous spider typically referred to as the brown recluse.