The Death Eaters can't all be pure-blood, there aren't enough pure-blood wizards left," said Hermione stubbornly. "I expect most of them are half-bloods pretending to be pure. It's only Muggle-borns they hate, they'd be quite happy to let you and Ron join up" "There is no way they'd let me be a Death Eater!" said Ron indignantly...."My whole family are blood traitors! That's as bad as Muggle-borns to Death Eaters!" "And they'd love to have me," said Harry sarcastically. "We'd be best pals if they didn't keep trying to do me in.
It's silly to go on pretending that under the skin we are all brothers. The truth is more likely that under the skin we are all cannibals, assassins, traitors, liars, hypocrites, poltroons.
His flight was madness: when our actions do not, our fears do make us traitors.
Our doubts are traitors, And make us lose the good we oft might win By fearing to attempt.
Men's vows are women's traitors!
Lynn, she saved half our faction from this stuff," says Marlene, tapping the bandage on her arm from where the Dauntless traitors shot her. "Well, half of half of our faction." "In some circles they call that a quarter, Mar," Lynn says.