Mr. James, 35, said he would use his high-profile platform on social media to combat voter suppression and would be vocal about drawing attention to any attempts to restrict the franchise of racial minorities. “Yes, we want you to go out and vote, but we’re also going to give you the tutorial,” Mr. James said. “We’re going to give you the background of how to vote and what they’re trying to do, the other side, to stop you from voting.”