The term 'Sort of Driver' can be summarized as a CABBY, which is a five-letter word. A CABBY is a person who drives a taxi for a living. They are responsible for transporting passengers from one place to another in exchange for a fare. Cab drivers must have a valid driver's license and often need to pass a background check before they can start working. Cab drivers typically work long hours and may have to deal with difficult customers.