In 1863, a large assembly was held in Jerusalem at the initiative of Hazan, Chaim Tzvi Schneerson, and other dignitaries from the community with the aim of examining how many emigrants of the Old Yishuv were willing to switch to agricultural work to develop settlements in the region.

The assembly decided, among other things, that it was necessary to obtain a license from the government to purchase land for cultivation, and that a three-year support system should be established before the beginning of the project.

Following the meeting, around 100 families announced their desire to work as farmers on the land, and the project was headed by Hazan, Schneerson, and Benvenisti.

When the 1863-1875 cholera pandemic reached Jerusalem in 1865, he moved inside the walls to share in the city's grief.

[7] Hazan was initially married to Joya Esther, daughter of Yisrael Chaim HaCohen Hamzi.