passer

noun

1.
a person who passes by casually or by chance
passer-by passerby
Derived from:
pass
2.
a person who passes as a member of a different ethnic or racial group
3.
a student who passes an examination
Derived from:
pass
4.
(football) a ball carrier who tries to gain ground by throwing a forward pass
forward passer
Derived from:
pass