C) Find him a (temporary) place to stay so he doesn't spend all this down time in the office. I would first recommend to get the government involved but since

C) Find him a (temporary) place to stay so he doesn't spend all this down time in the office. I would first recommend to get the government involved but since you're in the US I'm just going to assume you guys also don't have universal mental health options. The guy is obviously in need of help but if you kick him out it'll only get worse. Sometimes people need someone like you to just catch them as they fall.