As nouns the difference between biker and nonbiker
is that biker is a person who rides a bicycle while nonbiker is one who is not a biker.
biker
English
Noun
(
en noun)
A person who rides a bicycle.
A person whose lifestyle is centered on motorcycles, sometimes a member of an outlaw motorcycle club.
Synonyms
* (1) bikie , motorcyclist
* (2) cyclist
See also
* trucker
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nonbiker
English
Noun
(
en noun)
One who is not a biker.
*{{quote-news, year=2009, date=March 8, author=Robert Sullivan, title=The Wild Bunch, work=New York Times citation
, passage=To be clear, cars are more likely to kill
nonbikers ; we still live in a world ruled by the ruthless car. }}