What is Louie's secret in the play, Lost in Yonkers?

Louie is extremely secretive about his work, as well as the contents of a black satchel he carries. A low-time gangster, Louie tries to convince his family that he is a financial manager. However, everything about his personality, demeanor, and dress gives away his secret. He has a soft spot for his family and their financial problems. He gives $5,000 to Bella to open a restaurant, and then he gives the rest of his money to his mother before joining the military.