Trump campaign adviser Jeff Ballabon called Rep. Ilhan Omar Ilhan OmarOmar fires back at Trump over rally remarks: 'This is my country' Trump attacks Omar for criticizing US: 'How did you do where you came from?' Democrats scramble on COVID-19 relief amid division, Trump surprise MORE (D-Minn.) "filth" Monday amid controversy over some comments from the lawmaker that have been called anti-Semitic.

"The problem is that her beliefs are deeply rooted in hatred and anti-Semitism. She is a hater. I'm going to say it, she is filth," Ballabon said on Fox Business. "She has no place in the Congress. She has no place on the Foreign Affairs Committee. It's outrageous that Nancy Pelosi Nancy PelosiPelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare House lawmakers reach deal to avert shutdown Centrist Democrats 'strongly considering' discharge petition on GOP PPP bill MORE, the Speaker of the House, the most powerful Democrat in America, appears on Rolling Stone, hand in hand with her smiling this week. It's outrageous."

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Host Stuart Varney interjected to say that Ballabon used a "very strong word."

"Yes. She is a filthy, disgusting hater. So what if she's in Congress? That's the problem. The problem is they have now taken anti-Semitism in its worst, most base, disgusting force, and they've mainstreamed it," Ballabon said.

Varney pressed Ballabon on whether he was comfortable with "using that very, very strong language, as an adviser to the Trump campaign."

"I'm using this as a Jew. I'm using this as someone whose family directly feels threatened, but literally threatened, physically threatened in the culture that's being created now by the mainstreaming by the Democrats of these kinds of people," Ballabon responded.

President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's 2020 campaign did not immediately respond to The Hill's request for comment on Ballabon's comments.

Omar's comments about Israel have garnered her significant bipartisan criticism since she took office.

The Minnesota lawmaker wrote in since-deleted tweets last month that U.S. politicians' defense of Israel in the political square was "all about the Benjamins baby."

Top Democrats issued a joint statement condemning the remarks and calling for Omar to apologize, which she did.

Last week, Omar spoke on the influence of special interest groups on foreign policy, specifically related to Israel.

“I want to talk about the political influence in this country that says it is OK for people to push for allegiance to a foreign country,” she said during an event at a Washington bookstore, according to The New York Times.

After receiving backlash calling that comment anti-Semitic, Omar's office responded by noting that she had apologized for past comments and that it is important to differentiate between criticism of a religion and criticism of lobbying groups.