watcher

IPA: wˈɑtʃɝ

Someone who watches or observes.
(chiefly as the final element in compounds) Someone who observes something closely for professional reasons, such as an analyst or pundit.
(US politics) A political representative aligned with a candidate sent to observe elections to report on irregularities. A scrutineer.
Someone who keeps vigil.
A guard.
(chiefly historical, Judaism, Christianity) A kind of angel appointed to watch over the human realm, in particular one of those who became fallen angels and begot the Nephilim.

Examples of "watcher" in Sentences

Content of the Book of the Watchers.
The Watchers impose a midnight curfew.
Dawson and the Watchers disappear from the bookshop.
It was based on the cartoon widget the World Watcher.
See, I freely confess to being a wiki watcher and voyeur.
In the end, you are a watcher and I am am IP and not a watcher.
Watchers have the ability to foresee the future to varying degrees.
Methos failed to retrieve the stone due to the intervention of the Watchers.
Market watchers reaffirm faith in Apple as new products shrink projected margins.