The meaning of "busser" is:
The definition of "busser" is:
(noun) a person who works in a restaurant cleaning dishes, setting tables, and assisting others
A: Did you get that job at that restaurant?
B: Yeah, but I’m just a busser!
A: Do you get paid well?
B: No, only $6.00 per hour!
Kadu was disappointed when he was offered the position of busser, because he is a highly-experienced pastry chef.