The term 'WHAT A HITCHHIKER ASPIRES TO BE' can be solved by the crossword solution 'RIDER', which is a five-letter word. A hitchhiker aspires to be a RIDER, meaning they want to be picked up and taken somewhere by a driver. Hitchhiking is a form of transportation in which a person stands at a roadside location and attempts to get a ride from passing vehicles. It is often used as a means of travel when other forms of transportation are not available or are too expensive.