The Schnellers had seven children: Ettia, Abba, Hinda, Ya'akov, Rosa, Malka and Harry from Liba's first marriage.

Antisemitism was on the rise, so a group of members of Hashomer Hatzair organized into an independent Jewish protection force.

The work office of the Hapoel Hatzair movement took responsibility for finding employment for its members of who had recently arrived in Palestine.

Hushi's group found work in paving roads, a project initiated by the first High Commissioner of Palestine, Herbert Samuel.

Hushi and his co-workers volunteered for the difficult work, which left them covered in soot and often led to eye infections.

In December 1920, the "Shomria Unit" send two representatives, one of them Abba Hushi, to the "First General Conference of the Workers of Israel."

By the end of the conference, the delegates decided to establish a union for the Hebrew workers in the land of Israel; the Histadrut.

In 1921, the members of the group transferred to Nahalal, where they paved the entrance road to the moshav and also worked in drying and draining the surrounding swamps.

Abba Hushi petitioned on behalf of the entire group, for land in order to establish a settlement in the Jezreel Valley.

They also visited local branches of, and summer camps run by Hashomer Hatzair throughout Poland in order to encourage the youths to make aliyah.

While in Haifa he continued his public service: on 19 April 1925, Hushi hosted a meeting of representatives from Kibbutzim that had foreign youths.

Hannah remained in Beit Alfa while Hushi went to Haifa to help his family run the restaurant and continue his activities on behalf of the Histadrut.

In 1926 he began to work for the Histadrut in Haifa, and would eventually become a central activist in the Ahdut HaAvoda and then Mapai parties.

After much hard work and tremendous effort, Hushi convinced the port workers to sign an agreement with the Histadrut.

As the secretary of the council, Hushi persuaded the other members to establish a staff that would look after the unemployed workers, and provide them with temporary work.

As a result of Uziel's request, Hushi traveled to Thessaloniki, where he successfully convinced the Jewish port workers to make Aliya with their families.

Following his success in Thessaloniki, Hushi traveled to Poland and managed to convince Jewish porters there also to make Aliya.

On 29 December 1938, while loading citrus fruits onto the German ship Bamburg in the Port of Haifa, the second officer of the ship said to the port worker in charge of loading the fruits that "the Jews have no place in the world, not even at the North Pole, [...] the only option was to send all of the Jews to 'the second world.'"

On the following day, 30 December, the German consul in Haifa turned to influential Olim from Germany to have them convince Hushi to call off the new policy.

The consul announced that the Second Officer would apologize and would be punished for his offensive remarks, but Hushi did not relent, and the Bamburg returned to Germany empty.

[1] In order not to hurt the interests of the Jewish Yishuv, Hushi contacted "Citrus Center" in Jaffa with a request to find other ships with which to send their produce to Europe.