I shouldn't be surprised that the public info on him is defamatory. Which means he must be doing something right.
en.wikipedia.org
www.adl.org
Rizza Islam - Wikipedia

Rizza Islam
Ronnie Steven “Rizza” Islam is a Nation of Islam (NOI) member and social media influencer. He intersperses his posts with inflammatory content that regularly includes antisemitic, anti-LGBTQ and anti-vaccine rhetoric, in addition to a range of other conspiracy theories.