a slave
someone who works for a business
A businessman.
What do you mean by this. Please specify your question.
The person can be called either businessaholic or businessminded person in my opinion.
fruitist
A substitute is someone that does another persons job while they are gone.
A co-workerA employeeOr a person that works with you
Tech Person
Employee
someone who works for a business
A mathematician
moofer
An employee.
Landscaper
keelman
An astronomer.
A BarMan