While planning on the kind of city I could possibly build, I thought it would make sense to consider making a fully functional city that only works with the resources from vanilla minecraft itself and doesn't pretend items are something else they aren't. There's one job, however, that would make a loophole to that rule: an actor.

butcher
flower salesperson
leather worker
dye salesperson
fisherman/fisherwoman
pet salesperson
cactus farmer
tree farmer
crop farmer
animal farmer/breeder
mob farmer/hunter
nether mob farmer/hunter
end mob hunter/dragonslayer

librarian
book author
professional actor
disc jockey
enchanter
painter
cleric
doctor
cemetery worker
baker
soup cook
food salesperson
potion brewer
explosive technician
railroad worker
redstone mechanic
teacher
park ranger
life guard
referee
fireman/firewoman
police officer
judge/lawyer
politician/leader
jailer
lumberjack
carpenter (wood builder)
landscaper
glasssmith
fletcher
smith
Miners and Masons (builders)