passer

Short definition from Wiktionary

Noun

1. 1
   One who succeeds in passing a test, etc.
2. 2
   One who passes something along; a distributor.
3. 3
   Someone who passes, someone who makes a pass.
4. 4
   Someone who passes, someone who makes a pass: A football player who makes a forward pass, who may be (but not limited to) the quarterback.
5. 5
   A passed pawn.
6. 6
   One who passes; a passer-by.
7. 7
   One who is able to "pass", or be accepted as a member of a race, sex or other group to which society would not otherwise regard them as belonging.