When sponsoring a family member for U.S. immigration, you might need to file an I-864 Affidavit of Support to show that they won't become a public charge.
People immigrating to the U.S. through family or through an employer that's owned by family will have to show that the U.S. petitioner is willing and able to act as financial sponsor.
If you're applying for asylum in the U.S., you might have to wait until you're granted asylum before you qualify for a work permit, or navigate some complicated immigration rules.