Haves and have nots phrase
Used to refer to people who have property (the haves) and people who have nothing (have nots); in other words, they are people who are very rich, compared to those who are very poor.
The government has made a great effort to narrow the gap between the haves and have nots.
The gap between the haves and have nots will always exist. All we can do is to find ways to reduce that gap so that many more people can live a better life.
Although it is not exactly known when the first usage of "haves and have nots" began, the latter dates back all the way to 1700s and earlier.