I am thinking about becoming a psychoanalyst. What is a psychoanalyst exactly? Would could I gain from this job and what are some pros?

I am thinking about becoming a psychoanalyst. What is a psychoanalyst exactly? Would could I gain from this job and what are some pros? What level of needs, according to maslows hierachy, can I satisfy with this kind of job. How does it differ to a social psychologist?