Albus Dumbledore was never proud or vain; he could find something to value in anyone, however apparently insignificant or wretched, and I believe that his early losses endowed him with great humanity and sympathy.
There are no more uses of "wretched" in the book.
Show samples from other sources
The children were taken into protective custody due to their wretched living conditions.
The photograph showed poor people in a wretched village in East Africa.