"It's not a matter of fighting them but it's about saying this South Africa is about diversity but, honestly, that's just on paper, which is the Constitution.
"If somebody can say (what Kriel) said in public and we don't do anything about it, (we'll be sending a message) that we're still inferior to them."
Last month Kriel said during a radio interview that not enough people were killed during apartheid to justify it being called a crime against humanity.
"In the '80s and early '90s people died during the people's war conducted by the ANC," Kriel said.
Nkadimeng said the BCF would not mind seeing Kriel go to jail for the comment.
Kriel, via SMS, said: "Their complaint has no legal grounds and will fail. It seems they're an unknown organisation trying to make a name for themselves by making cases with no substance."