The word(s) "watcher" appears 2 time(s) in 2 verse(s) in Quran in Abdullah Yusuf Ali translation.

(1) "Never said I to them aught except what Thou didst command me to say, to wit, 'worship Allah, my Lord and your Lord'; and I was a witness over them whilst I dwelt amongst them; when Thou didst take me up Thou wast the watcher over them, and Thou art a witness to all things.

(2) "Except a messenger whom He has chosen: and then He makes a band of watchers march before him and behind him,