Hello mon
I dont know if you did any research but if you type in
How to deal with a deaf feral cat.
There is a lot of info out there this is just one site.
The Cat Advisor: Socializing Stray, Deaf Cat
catadvisor.blogspot.com/2011/04/socializing-stray-deaf-cat.html

Good Luck and I hope you can find some info on one of these sites
to help you AND Spicy better communicate with each other