Flavor Flav's job involves dancing for money, so of course he does, but what Chuck means is that Flavor Flav is being paid by someone—possibly President Trump—to not allow Chuck D to use the name Public Enemy at a Bernie Sanders rally.
But it's not clear if Flav has any say over who gets to use the name. Chuck D's lawyer says Chuck owns the name and can do what he wants with it, and that he wrote all of Flavor Flav's rhymes.
Chuck D will be performing at the Bernie rally under the name Public Enemy Radio.
Statement from Chuck D re: what Flavor Flav does for a living: