Question: What is the name of the dark wizard in the fantasy series by Joanne Rowling?
Sentence (from "Harry Potter"): The main story arc concerns Harry's struggle against Lord Voldemort, a dark wizard who intends to become immortal, overthrow the wizard governing body known as the Ministry of Magic, and subjugate all wizards and muggles, a reference term that means non-magical people.
Relevant evidence: Yes