Here are countless homeless charities who use food (amongst other things) to get in contact with those sleeping rough and offer help that goes beyond supplying food. Food is fundamentally important but it's not going to take anyone off the streets. helping the Orphans ,widows who in need.

James 1:27. “Religion that God our Father accepts as pure and faultless is this: to look after orphans and widows in their distress and to keep oneself from being polluted by the world.”