passerby
pass‧er‧by /ˌpɑːsəˈbaɪ $ ˌpæsər-/
noun (plural passersby) [countable]
someone who is walking past a place by chance:
They sell drinks to passersby.
pass‧er‧by /ˌpɑːsəˈbaɪ $ ˌpæsər-/
noun (plural passersby) [countable]someone who is walking past a place by chance: