Billionaire hedge fund manager Seth Klarman on Wednesday slammed Republican presidential nominee Donald Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE and said he will help to elect Democratic nominee Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE to the White House.

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"His words and actions over the last several days are so shockingly unacceptable in our diverse and democratic society that it is simply unthinkable that Donald Trump could become our president," Klarman, the president and chief executive of the Baupost Group, told Reuters.

He said that Tump's comments "that the election will be rigged is particularly dangerous."

"I will continue to find ways to support Hillary Clinton and defeat Donald Trump," he said.

"He is completely unqualified for the highest office in the land."

Trump earlier this week said he's "afraid the election is going to be rigged."

The GOP nominee has also been facing backlash over comments he's made toward the family of Army Capt. Humayun Khan, a Muslim soldier who was killed in Iraq in 2004. Khizr Khan, Humayun's father, spoke critically of the GOP nominee during the Democratic National Convention last week.

Klarman is registered as an independent but has given largely to Republicans in the past, according to Reuters. He has donated to political action committees this election cycle that backed Jeb Bush, New Jersey Gov. Chris Christie and Florida Sen. Marco Rubio Marco Antonio RubioSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Florida senators pushing to keep Daylight Savings Time during pandemic Hillicon Valley: DOJ indicts Chinese, Malaysian hackers accused of targeting over 100 organizations | GOP senators raise concerns over Oracle-TikTok deal | QAnon awareness jumps in new poll MORE.

He has also given some donations to some Democratic campaigns, including Sens. Cory Booker (N.J.) and Mark Warner Mark Robert WarnerIntelligence chief says Congress will get some in-person election security briefings Overnight Defense: Trump hosts Israel, UAE, Bahrain for historic signing l Air Force reveals it secretly built and flew new fighter jet l Coronavirus creates delay in Pentagon research for alternative to 'forever chemicals' House approves bill to secure internet-connected federal devices against cyber threats MORE (Va.). In June, he gave $5,400 to Hillary Clinton's campaign.