Well... why not? I think there should be an office worker exam, that grants benefit as C-rank adventurer. We need more surveyor to verify the findings in the report. We need those who analyze the information from the anecdote and create a plan [a.k.a quest].
Hmm, but from an OOC perspective anyone should be able to do all those things?
I’m not really seeing the function of an A-rank or C-rank receptionist, or what is really the big gap between them?
To be technical, this is the “Adventurer’s Guild” — not the “Merchants Guild” (which also exists IC). Consequently, the rank is an assessment of how good of an adventurer you are.
As for how to define an adventurer?
I think I’m drawing a lot from the Hunter X Hunter definition —
Where you can have a “Gourmet Hunter” (who primarily cares about exotic foods), but they still have a basic set of proficiencies that all Hunters need to have, like athleticism.