The fact that there are no other images of this is odd, but assuming it is at an early voting location today, perhaps they are pretending to be “ghost voters”:

As that drama played out, readers asked Snopes to look into social media posts and media stories reporting that multiple counties in the U.S. had more registered voters than voting-eligible residents. One such story was published by the Washington Times and headlined, “Judicial Watch finds 1.8 million ‘ghost voters’ in 29 states, warns of ‘dirty elections.’”

Judicial Watch, a right wing legal activist organization, claimed to have discovered in an October 2020 study that “353 U.S. counties had 1.8 million more registered voters than eligible voting-age citizens.”

Source: https://www.snopes.com/fact-check/ghost-voters-in-29-states/