She wasn't homeless , I saw her drive in.

Technically she can still be homeless (=live in the car).
I was homeless (both in my childhood and in my adulthood), and once we slept in a car. I also heard about people in Budapest, who live in a (working) car, after they lost their rented house for some reason.

I am currently not homeless, but I know what starving is. She probably live like me. Either with multiple disabilities, or under the minimum wage. Or with both.

Or maybe she indeed have a house to live in, and she probably had to choose between paying rent/bills and buying food, like me many times in the past. She choosed to take food, even if she could not afford it financially. She is starving because of the lack of the proper amount of money. I absolutely/totally understand her.