Help me feed my Grand children please world

My name Bi mjuze 70 yrs , i have many to say but few to present. I have grand 7 childrn their parents are have live them to me. They dont have care im doing everything for them. Im old now no job my back is paining alot i had back Surgery before now i depend On Cattle and ì cook and sell food but now i have no money even for eat we only eat porridge no husband is dead. My grand children no school. Help me to start even restaurant and add few more cattles i cannot sell my cow because i will be more poor. Atleast if i dont i have money we can drink milk and life goes on. I thank god in everything.

Help me..