Blacksmith (ability to craft with tools and weapons)
Alchemist Brewer (ability to make potions)
Tailor (ability to make armor)
Fisherman (can fish)
Miller (turns wheat and seeds into bread... Life sustaining goodness. It'll be fun on a bun)
Farmer (can grow crops)
Rancher (breeds animals)
Merchant (buys/sells goods at player created prices - does not have to be money as a cost)
Alchemist (Transmutes base elements into noble elements.)
The use of Alchemy to solely describe potion making has always bugged me. Seeing as how the primary goals of alchemy involve the transmutation of elements, The creation of an elixir of life, And the creation and perfection of the Philosopher's Stone.
Also, Here are a few jobs.
Assassin (Kills people for money.)
Mercenary (Does any kind of work for money)
Spy (Infiltrates X organization and gathers intelligence to report back to their agency.)
Pizza Deliveryman (Delivers pizza for money.)
Chef (Makes food for money (How has nobody said this yet?))