[Regarding] someone who had a synagogue in his house for a long time - the community is not permitted to move it to another house.
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The Building of a Synagogue and that it Should be Tall. Containing 5 Se'ifim:
The residents of a city may force one another in order to build a synagogue and to buy a Torah, Nevi'im, and Ketuvim. (And see above, siman 55, se'if 22 [regarding] if they may force one another to hire a quorum for themselves.)
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You asked: A community has a local synagogue,and a wealthy resident of the city has acquired many seats there in expensively. The seats have appreciated because of him, and since the rate has appreciated, he has raised the rent for the seats to the point that the renters now desist from coming to the synagogue, because the cost of seats is expensive. The community wants to add seats in an open space in the synagogue and to sell them to these people, benefiting the community financially and improving the righteousness of the community as they come to synagogue and use those extra seats. This wealthy person has stood to challenge this, saying this would narrow his path to reach his seats ...
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https://translations.myshiurim.com/halacha/pitchei-teshuva/162-6/
When does the above apply? When the ban was imposed because he acted disrespectfully to a Torah sage. However, a person who was placed under a ban of ostracism for another reason for which such a ban may be declared - even if the ban was declared by a person of the lowest stature in Israel - the nasi and all Jews are obligated to abide by the terms of the ban until he repents for the matter for which the ban was imposed, and the ban is lifted.
A ban of ostracism is imposed upon a person - either man or woman - for [the following] 24 reasons:
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n) a person who causes the many to desecrate God's name;
o) a person who causes the many to eat sacrificial food outside [its proper place];
p) a person who calculates the years [and declares a leap year] or fixes the day of the new month in the Diaspora;
q) a person who causes the blind [ - i.e., the morally unaware - ] to stumble;
r) a person who prevents the many from performing a mitzvah;