Hard at work on a Sunday morning, and not for their own benefit, but someone else’s. Someone they’ve never met, named Sharon Sibley, of Northeast Philadelphia.

“Oh, I’m in shock, this is wonderful!” exclaimed Sibley.

Habitat for Humanity and the Jewish Federation of Greater Philadelphia are checking work orders off Ms. Sibley’s to-do list, so that she, on a fixed income, can stay in her home.