As nouns the difference between passerby and wayfarer
is that passerby is alternative spelling of passer-by while wayfarer is a traveller, especially one on foot.
passerby
English
Noun
(passersby)
Alternative spelling of passer-by .
wayfarer
English
Noun
(
en noun)
A traveller, especially one on foot.
A type of glasses, with pointed ends and rounded bottoms.
Related terms
* wayfare