What people who have lived in a place for more than 5 years call people who have lived in a place for less than 5 years.
"This neighborhood used to be so real before all those gentrifiers moved in." (Generally said by someone who grew up in the suburbs, probably in a different state).
I was a gentrifier in Williamsburg. Like the maligned hipsters, I used my parents’ savings to secure a place to live. I wanted grocery stores that carried organic products like Horizon milk for $6 per half-gallon, and overpriced but aesthetically satisfying coffee shops like El Beit. I needed expensive boutiques, otherwise I would have felt bad for having left Manhattan.
Affluent people who move into an urban setting (typically an industrious or dilapidated area) and cause the dramatic increase in property values and the influx of trendy, hip, in-style businesses.
After the gentrites moved in, lower income families were forced out by increasing rents.