The New York Democrat was mocked online after she tweeted her own criticism of Ivanka Trump in response to a video which went viral over the weekend.
"It may be shocking to some, but being someone's daughter actually isn't a career qualification," Ocasio-Cortez wrote.
"It hurts our diplomatic standing when the President phones it in & the world moves on.
"Working people that GOP dismiss as 'just a waitress/cook/etc' contain multitudes, & are just as capable & intelligent as anyone.
"What is so appalling to GOP about having an honest job?
"In other words, Republicans who criticize my being a waitress as evidence of lacking skill can take their classism to the trash.
You are insulting the capacities and potential of virtually every working person in America (& the world) for having experience that's earned, not bought. »