Cai/Thea.
Because he's more than a Death Eater, he's also the person who makes me laugh and spends time with me and has my back when other people are harassing me for no reason. You can't just cut someone out when they do so much for you, and they actually care about you.
A little? Ugh. They honestly do not give a fuck about hurting anyone who isn't themselves and their friends. I mostly ignore them, but sometimes they really push my buttons.