observer
US /əbˈzɝː.vɚ/
UK /əbˈzɝː.vɚ/

1.
2.
مراقب, متابع
a person who attends a meeting or event without participating in it
:
•
She attended the conference as an observer, not a speaker.
حضرت المؤتمر كـمراقب، وليس كمتحدث.
•
International observers were present during the elections.
كان مراقبون دوليون حاضرين خلال الانتخابات.