He may be eligible for Unemployment https://www.dol.gov/coronavirus/unemployment-insurance

Stimulus payment rules are here https://www.irs.gov/newsroom/how-to-use-the-tools-on-irsgov-to-get-your-economic-impact-payment 

U.S. citizens, permanent residents, and resident aliens are likely eligible for an Economic Impact Payment if they meet all these requirements:

• Have a valid Social Security number,
• Could not be claimed as a dependent by another taxpayer, and
• Had adjusted gross income under certain limits.