The rebuilding of the Temple required clear boundaries regarding who could take part in the sacred work. When foreign groups offer to help construct the site, the leadership faces a critical moment that defines the nature of their mission.
The leaders of the people, including Zerubbabel, Jeshua the High Priest, and the heads of the families, express absolute opposition to the foreigners' offer of partnership. They completely reject the idea of joint labor, making it clear that these outside groups have no share in building the House for God. This firm refusal establishes a fundamental principle: those who are not Israelites are not permitted to participate in the construction of the Temple [רלב״ג].
Rather than accepting the offer, the leaders declare that they will build the Temple entirely on their own [רש״י]. The construction is to be an exclusive effort, carried out solely by the united congregation of the Israelites working together in their shared mission [אבן עזרא, מצודת דוד].
To justify their rejection, the leaders point to the original royal decree. They clarify that the command and permission granted by King Cyrus to rebuild the Temple were directed strictly to the Israelites, leaving no room for any foreign involvement [מצודת דוד].