watcher

noun

1. 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
   Terjemahkan ke Indonesia sumber: wordnet30
2. a guard who keeps watch
   Terjemahkan ke Indonesia sumber: wordnet30
3. a person who keeps a devotional vigil by a sick bed or by a dead body
   Terjemahkan ke Indonesia sumber: wordnet30
4. One who watches; one who sits up or continues; a diligent observer; specifically, one who attends upon the sick during the night.
   Terjemahkan ke Indonesia sumber: webster1913