watcher
(noun)
noun
1. a close observer; someone who looks at something (such as an exhibition of some kind)
- sky watchers discovered a new star
Similar word(s): looker, spectator, viewer, witness
Definition categories: person, beholder, observer, perceiver, percipient
2. a guard who keeps watch
Similar word(s): watchman
Definition categories: person, guard
3. a person who keeps a devotional vigil by a sick bed or by a dead body
Definition categories: person, individual, mortal, somebody, someone, soul