I just did a quick Google search for soup kitchens and food pantries near Laconia and came up with this list:
https://www.homelessshelterdirectory...conia&state=NH
You should be prepared to be turned away for volunteering on Christmas day because of the large volume of people who show up.
Thanksgiving is a big day too. What they really need are volunteers for the other 363 days of the year.
Here's an article that explains:
https://www.theguardian.com/housing-...rough-sleeping
Mark