BEHOLDER

perceiver, percipient, observer, beholder

(noun) a person who becomes aware (of things or events) through the senses

Source: WordNet® 3.1

Etymology

Noun

beholder (plural beholders)

Someone who observes or beholds; an observer or spectator.

(fantasy) A fictional monster in roleplaying games, a floating orb of flesh with a large mouth and many eyes on stalks.

Source: Wiktionary

Be*hold"er, n.

Definition: One who beholds; a spectator.

Source: Webster’s Unabridged Dictionary 1913 Edition