Conversation so far:
What conflicts did Marcus Garvey have with Du Bois?
Garvey was dismissive of the NAACP leader W. E. B. Du Bois, and in one issue of the Negro World called him a reactionary under [the] pay of white men.
How did Marcus Garvey approach the conflict situation with Du Bois?
In 1921, Garvey twice reached out to DuBois, asking him to contribute to UNIA publications, but the offer was rebuffed.
Did Garvey and Du Bois confront one another?

Question: Who else did he have conflict with?
Self-contained rewrite: Who else did Marcus Garvey have conflict with besides Du Bois?