I want to know if there’s any option as well to take advantage of my current free housing and using the fha without committing mortgage fraud.

File a consumer complaint with the Attorney General, they could have ongoing fraud cases with him already. 

I like your idea of requesting a business card.The MLS assigns an unique number to establish your identity.

Hidden Identity - A manager should have their name on the lease as agent for ownerWall for Liability - You have PMs liability, workers comp, and E&O as additional layers of protection for things going wrong. 

If you violate it and get caught, you can get prosecuted for mortgage fraud, which can mean that you would be at least made to refi your property as an investor, which is least severe of the punishments. https://www.fhaloans.com/artic...Based on purchase date of October 2019, you should move in somewhere around Jan 2020.

And even if they did, it would require mortgage fraud on your part to pull it off.Owner occupancy requires that you live there for the first 12 months.

A few years ago an experienced RE investor on this site got hit by a similar scam and posted his lessons learned in a blog (Something like "How to lose $225K in a wire transfer fraud"). 

Signing contracts with no ability or intention to close is FRAUD.

The deductible waiving sounds like insurance fraud, and he was willing to do it because he didn't do the full scope of work. 

Their identity is tied to it.