You can’t disconnect from your family, at least not quickly. Additionally do you want to deep down? Remember though this may be pissing you off – you do have full sight and knowledge of what he is up to, where he is and what he is doing and that can be an advantage. I’m quite sure if you turfed him out you would soon worry about what is going on.
You are absolutely RIGHT to cajole him into getting up and having a conversation, moving etc.
How old is he again? Do you have any males that could reach out to him?
Has he ever had any friends?