Someone at Rutgers University cruelly plastered a Jewish freshman’s face on flyers for an anti-Israel referendum — the latest act of “unabated antisemitism” at the New Jersey school, the student told The Post. “Free Palestine” and “Free Gaza,” said the flyers with Rivka Schafer’s mug on them, urging a “yes” vote for the university to divest from Israel. They were plastered throughout the Demarest Hall dorm on Thursday morning. “I don’t feel safe in my own dorm,” said Schafer, 19. 6 A recent vote on Rutgers’ ties to Israel has led to an increasingly hostile environment for Jews on campus,...