The thesis is <span>a statement or theory that is put forward as a premise to be maintained or proved.</span>
That he cares or doesn't either one sorry don't read the story
Answer: A psychologist is a professional who practices psychology and studies normal and abnormal mental states, perceptual, cognitive, emotional, and social processes and behavior by experimenting with, observing, interpreting, and recording how individuals relate to one another and to their environments.
Explanation: an expert or specialist in psychology.