us and them
idiomPart ofthem
us and them — idiom
1. a way of describing a situation where two groups feel separated from each other,
1.idiom
Definition
a way of describing a situation where two groups feel separated from each other, often with a lack of understanding or trust between them
Example
There has always been a sense of us and them between the factory workers and the management team.
When the school merged with a college across town, a strong us-and-them attitude developed among the students on both sides.