Please help..I need to make him feel secure

Hi,My son lost everything in a house fire on July 15th (6181 Commercial St)He is now living with me full time,but I have a broken ankle and have been unemployed for some time.I'm asking for help.He's lost everything..clothes,computer,keyboard etc.I need this money for school supplies,food,clothes as he's about to start high school,and need to convert my one bedroom apartment into a safe space for him.So I need furniture etc..Anything helps,we are about to embark on hopefully a new chapter in his life..