Passage: Ben-Zvi was active in the Jewish self-defense units organized in Ukraine to defend Jews during the pogroms of 1905, and joined the Poale Zion Zionist political party. He immigrated to Palestine in 1907, settling in Jaffa, and later the same year was a representative in the Zionist Congress at The Hague.  It was there that he first met Israel Shochat. "Bar-Giora", the clandestine precursor to Hashomer, was created in his apartment in 1907.  In 1909, he organized the Gymnasia Rehavia high school in the Bukharim quarter of Jerusalem together with Rachel Yanait.

Question: who helped him with the organization?
Rachel Yanait