Blood traitor
/BLUD TRAY-tor/ noun (insult)
≈ “Race traitor / Class traitor”
An insult used by blood-purists against pure-blood wizards who associate with Muggle-borns or advocate for Muggle rights. The Weasley family is frequently targeted with this term.
“The Weasleys are the biggest blood traitors of them all.”— Bellatrix Lestrange, various Death Eaters
Etymology
Compound insult implying betrayal of one's 'blood' (pure-blood heritage) by fraternizing with those of 'lesser' blood. Mirrors real-world terms like 'race traitor.'
Usage History
Used throughout the Harry Potter series, primarily by Death Eaters and their sympathizers targeting the Weasley family and Dumbledore's allies.
Taboo Trajectory
Carries the full weight of ideological betrayal. In the blood-purist worldview, consorting with Muggle-borns is as offensive as being one.
Semantic Drift Timeline
Consistent usage throughout the series. Always carries extreme contempt from the speaker.
Regional Notes
Pure-blood supremacist circles in the British wizarding world.