You shouldn't exclude people from your events.
Henry moves into a new apartment, which is much nicer than his old place.
Henry wants to have a party to show off his new home.
Henry invites everyone he knows, including all of his work colleagues, even if they are people he is not particularly fond of.
Henry invites everyone he knows except one person from work that he doesn't like.
Everyone comes to Henry's party and has a good time, he spends his time entertaining and having fun with many of his guests.
The person who was excluded is very upset and some of his other coworkers find it unacceptable that he excluded one colleague.