Pollard called the ceasefire and hostage release deal a "monstrous blunder."
Jonathan Pollard met with the residents of the illegal outpost Ramat Migron in the Binyamin Region of the West Bank, including the family of Elisha Yered.
"The people that we're letting in are not appropriate," says the ex-spy.
Ben-Gvir has worked since taking office to ease gun permit laws.
The 68-year-old convicted spy Jonathan Pollard says he has moved on from his decades in US prison and is now living in Israel.