I wouldn't know because I'm not black. I'm sure deep down they may feel some resent, but there is no way for me to tell.
Anyway, they're used to that. Black people did not opress black people. White people opressed black people and calling them a nigger does not untarnish their views towards us.
Negroid is the correct term for a native inhabitant of the African continent.
"Stephen Wolfram is the creator of Mathematica and is widely regarded as the most important innovator in scientific and technical computing today." - Stephen Wolfram