Who is Mannie Feldman from Factotum and what is their importance?

Mannie Feldman is the owner of a Los Angeles fluorescent light fixture company on Alameda Street, Feldman hires Henry as a shipping clerk. Feldman is busy trying to collect on insurance and go bankrupt at the same time, but a dignified banker, Curtis Jennings, is assigned by Bank of America to take over management and get back the institution's investments.