Penioner becoming homeless need a campervan

I am 70 yrs of age in july and due to my wife divorcing me she is having a no fault divorce and wants me to leave i live in greater london and trying to get acommodation is futile anywhere in the country the only possibility is buying a  campervan which being on a pension cannot afford to buy hence the reason i am reaching out to the wider communities Generosity to help me and assist me. I volunteer at a wellbeing centre and run a singing music Therapy group for people with Mental health conditions, i also sing in a community choir which is free and we do concerts for old peoples homes cancer etc ; etc;! I am an  ex serviceman and unfortunatly cannot help me!. The divorce has got to the decree stagec at present and shortly to be absolute i would not normally resort to this but i cannot afford such a vehicle to buy! . Please please help me to achieve this mammoth task and thank you for your kind help