Who is radiographer?

Healthcare professional who do your chest x-ray when you are doing medical check up.
Most of the people's perception, radiographer is one of the most scary profession because they are playing with radiation that can cause cancer. In pursuing diploma or degree course, the students also very scared to choose this course as they think that it would harm them. As a result, we are short of radiographer in government hospitals.
Actually, its a big no for all of their perception. Why?