If they don’t want Jews because the Jews do things that are uniquely Jewish, that I would call anti-semitism.
If a group of people who own non-kosher restaurants, bakeries and such found out that orhtodox jews were moving to their area and they opposed it, Is this Anti-Semitism (This happend in the hamptons …Bakeries and restaurants did not want orhtodox jews moving into their area because they would not patronize their stores and they’d be out of business