<u><em>A psychologist</em></u> is a<span> mental health professional who assesses and studies behaviour and mental processes. <u><em>An athlete</em></u>- to encourage people that they could do anything. <u><em>A teacher</em></u>- Give us an education so we can survive everyday life. <u><em>A policeman</em></u>- Keeps us safe (without them we would all be dead because of murders) Hope this helps:D Have a great rest of a brainly day! "*AB84"* </span>