As nouns the difference between bystander and eyewitness
is that bystander is a person who, although present at some event, does not take part in it; an observer or spectator while eyewitness is someone who sees an event and can report or testify about it.
As a verb eyewitness is
to be present at an event, and see it.
bystander
English
Noun
(
en noun)
a person who, although present at some event, does not take part in it; an observer or spectator
See also
* rubberneck
eyewitness
Alternative forms
* eye-witness
* eye witness
Noun
Someone who sees an event and can report or testify about it.
*
Verb
(es)
To be present at an event, and see it