@TJB @Birgitomo
There are many ways to be racist. At one extreme, there's the ideological racist, then there's the prejudiced racist, the opportunist racist, the denialist racist, and I'm sure there's many others. Even within those categories there can be ranges of more-or-less racist ... prejudices can be very broad or narrow, they can be derogatory or superficially complementary (but still damaging).
The denialist is interesting, because they are only racist because they defend the racist status quo -- if they were in a different society they wouldn't be racist.
(I'm assuming that the original post was edited, because the comment about the friends makes no sense)