Hey Danya - If you are talking about being a psychological counselor, the obvious answer is psychology. However, there are other majors you can choose like social worker. In order to be a counseling psychologist, you will likely need to earn a master's degree or higher.
There are a lot of ways to work in the field of psychology. Here is a link that will help you learn about more of them: http://www.onetonline.org/find/quick?s=psychologist.
Once you've had a chance to look at the different types of jobs, I'd be happy to answer more specific questions.