Sometimes, people have disabilities which may not be readily obvious to many of us. So I try not to rush to judgement...
However, from what you are saying, it sounds as though your new neighbor may be pulling a scam, which costs all of us -- and makes it that much harder for someone to get benefits when they actually deserve them.
If you are convinced he's a scammer, get your facts together and make a phone call or two. You can remain anonymous, he will be investigated, and if you are right about him, he'll get busted.
