Ava lives with Mike and Beth, who have given up their spare room through a charity.
Prime Minister Andy Burnham says he wants every rough sleeper to have a bed by Christmas.
Lisa Barlow, a former rough sleeper turned volunteer, said she wanted to give back to the community.
Mayor Ceri Cawley sleeps out on the street for charity along with councillors and veterans.
People urged to "pause, reflect and talk honestly" about the problems of being homeless.
People do not need to be ready to stop using drugs or alcohol to ask for, or be offered, help.
Residents say they feel scared over plans for homeless people from London to move onto their estate.
The annual event collects donations of tinned food for people housed by Shelter Trust Jersey.
Councillors approve use of the site, in Boston, to support people during the winter months.
