Not many that I can think of. Look out for local drug dealers?

Possible he could find a job that includes access to a shower. I know of once case where that has occurred. It was a job in a warehouse and there were showers and change rooms he could use. I believe he was actually provided with an unused room tucked away somewhere where could stay overnight before someone higher up in the company found out about it and put an end to that arrangement.

"Perpetually drunk" is more difficult and likely a deal breaker.