a slave
A substitute is someone that does another persons job while they are gone.
Tech Person
Employee
someone who works for a business
you call a person that works in a office and makes logos a mailman. or,2. a teacher3. a marine-biologist4. a Doctor5. a photographerthose are all what you call a, person that works in a office and makes logos.:)
You call a person that works in an office an Office Worker or a Clerk
hydrologist
A mathematician
moofer
A Chronogist
A BarMan