First of all, Iranians are Persians, not Arabs. The problem between Arabs and Jews had an initial episode when some Jewish tribes tried to oppose the Prophet Muhammad by allying with heathen Arab tribes. They were defeated and expelled from Medina. Friction arose as the Zionist project emerged in the late 19th C. During the late Ottoman period some European Jews purchased land from absentee Turkish landowners and expelled thousands of Palestinian tenant farmers. It was during the British Mandate (1920-48), where the Zionist project went on steroids. https://en.wikipedia.org/wiki/Mandate_for_Palestine is a detailed overview. This problem will only stop if and when Israel is convicted of genocide and forced to end apartheid, its promoters of genocide including media anchors are sent to the Hague, and settlers have to leave the Occupied Territories as ordered by the ICJ in 2024. Iran's issues with Israel will then end. In the process the Israeli government will have to take continuing and concerted action against Jewish extremists and terrorists.