Pro-Palestinian encampment protesters at dozens of universities have called for their administrations to divest from Israel. But on two campuses, activists are asking their schools to split from organizations closer to home that they say are complicit in Israeli crimes. At Drexel University in Philadelphia and the University of California, Santa Cruz, pro-Palestinian protesters have demanded their universities cut ties with, or “terminate” the presence of, the schools’ Hillel chapters. The Drexel protesters also demand that the university “Immediately terminate Drexel Chabad,” an outpost of the Hasidic outreach movement. The protesters, including some Jewish students, argue that Hillel’s Zionist stance...