The period of life from about age 12 to 18 and the early twenties, during which a young person is no longer physically a child but is not yet an independent, self-supporting adult, is called

The period of life from about age 12 to 18 and the early twenties, during which a young person is no longer physically a child but is not yet an independent, self-supporting adult, is called adolescence. 
In this period the adolescents struggle with their body changes, mood swings and social issues. 

Iwould think a loan officer but i'm not sure