No sane man would be unafraid of dementors. They were, in his opinion, the worst creatures imaginable and even if they were part of the dark, as Lucius had been (was?), they only lived for themselves and the promise of more pain. Every being with a soul feared them.

"I was chasing one when you found me. They're close; be on your guard." A none too subtle warning. "If your family is here, they need to be told!" They could deal with semantics later.

It occurred to Remus right then that the Malfoys might be even in more troublr than he first thought. They were a powerful family in their magic, but they were aligned with the dark. They had no light to fight with.