What would be my sponsor’s responsabilities if something happened to me? Would they have to pay for that?

The I-134 affidavit of support for F-1 students is not regarded as strictly binding as the I-864 affidavit of support for immigrants. Generally speaking, it basically guarantees support for the student to meet a normal living standard for studying in the US. That amount is usually set in the I-20 school acceptance form. Due to the limitations of the Lawyers.com Forums, Alan Lee, Esq.'s (the "Firm") participation in responding to questions posted herein does not constitute legal advice, nor legal representation of the person or entity posting a question. No Attorney/Client relationship is or shall be construed to be created hereby. The information provided herein by the Firm is general, and requires that the poster obtain specific legal advice from an attorney. The poster shall not rely upon the information provided herein as legal advice nor as the basis for making any decisions of legal consequence.