You win Harvey

Harvey (that may not be his or her name) lived in the house before we did. He or she thinks it is still his or her home. I am fed up with chasing him or her out the house every time I open the front door - so I've given up. He or she sleeps all day on the sofa. I can live with that... but he or she has got another think coming if he or she thinks me or she (that must be obeyed) will be feeding him or her.