onlooker
on-look-er
noun
A person who watches an event or incident without being directly involved.
"Curious onlookers gathered to watch the street performer."
Thesaurus
Synonyms: looker-on
on-look-er
A person who watches an event or incident without being directly involved.
"Curious onlookers gathered to watch the street performer."
Synonyms: looker-on