Vagrant's Angel: Modern Fantasy

The cloudy breath hung on the air, like the man if man he was who breathed it. She stared up at him from her comfortable pile of rags and cardboard boxes. It was her nest, and she'd always felt safe in it before, especially with a bottle of something to keep her warm. She'd never expected, not even in her most fevered delirium, to be descended upon by what was surely an angel. Or maybe an alien. Rob always said that there were aliens out there, and that they only came to visit those who they knew nobody would believe. "Are you an angel?" she asked, figuring that an alien shouldn't be insulted by being called an angel, but an angel might be irritated by being called an alien. "No," he said, "but I am your salvation. Come with me." He held out his hand. She didn't want to take it. For a minute, she wondered if maybe it was all wires and chicken feathers--

Inspiration: "Hunter's Kiss" by Rasputina
Story Potential: I don't know! I can't decide!
Notes: This story idea confuses me. It's definitely different from what I've been writing, and I find it interesting, but I've got no idea what it would be. Also, I'm entirely sure he's not an angel of the Biblical type.