These are Death Eaters. Death Eaters were the name given to followers by Lord Voldemort. A group primarily consists of wizards and witches who were radical pure-blood supremacists and who practiced the Dark Arts with reckless abandon and without regard to or fear of wizarding law. The Death Eaters are Lucius Malfoy, Crabbe, Goyle, Macnair, Avery, and Nott.