You searched for: “most recluse
recluse (adjective), more recluse, most recluse
A reference to living a solitary life and avoiding any contact with other people: "Jake lived a recluse life on the edge of the woods where he grew his food in a garden, had chickens and ducks for meat, and even hunted for wild animals occasionally, to survive; however, he had no contact with other people."

"After his wife died, Samuel shut himself up in his house and lived a recluse existence until he died."