passer

noun

1. 1.One who succeeds in passing a test, etc.
2. 2.Someone who passes, someone who makes a pass.
3. 3.A passed pawn.
4. 4.One who passes; a passer-by.
5. 5.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.