A throw away with an internet connection. 
Even if he/she is surfing from a public terminal, there's no excuse for not looking for a damned job!!! Close DU and get on a job site or take some free online courses!!! One must assume that he/she is reasonably clean and presentable too. I can't imagine the public library putting up with smelly vagrants browsing online.
I've seen bobolink around DU for some time. She says she uses the local library's computer to access DU. I'm not sure of her whole story, this is the first time I've seen her mention her child was kidnapped. I don't know what her disability is. I'm conflicted by her. I want to have compassion, but like the Habitat for Humanity thread, she's upset with anyone that doesn't directly address
her needs. With Section 8, she has an address, she's not living on the streets. She can get a job. She can do something to better her situation. Shit, flip burgers at McDonalds, they pay above minimum wage. Do something. But at the same time, if she has a genuine disability that wouldn't allow her to work, even as a Walmart greeter, then I do have sympathy for her specifically.
