In my eyes, the matter is complicated by one-step-removed privilege too, by which I mean cases where both party a and party b belong to a privileged group, but parties c, d and e are friends/relatives of party a who belong to an unprivileged group, and who party a may "lose" their privilege in the eyes of party b as a result.

I realise I haven't explained this very well, so I'll give an example from my own experience - although a white heterosexual male myself (so triply priviliged) I have faced problems from certain members of my family on a few occasions merely due to the fact I have friends in same-sex relationships or marriages, and am seen as lesser for it.