1.Definition: a close observer; someone who looks at something (such as an exhibition of some kind)

"The spectators applauded the performance", "Television viewers", "Sky watchers discovered a new star"

Related Noun(s):looker, spectator, viewer, witness

Category: People

2.Definition: a guard who keeps watch

Related Noun(s):security guard, watchman

Category: People

3.Definition: a person who keeps a devotional vigil by a sick bed or by a dead body

Category: People