Yes, alive,” said Fudge. “That is — I don’t....

“ Yes, alive,” said Fudge. “That is — I don’t know — is a man alive if he can’t be killed? I don’t really understand it, and Dumbledore won’t explain properly — but anyway, he’s certainly got a body and is walking and talking and killing, so I suppose, for the purposes of our discussion, yes, he’s alive. ”

J.K. Rowling

From : Harry Potter and the Half-Blood Prince