Who is Itamar Ben-Gvir, the Israeli firebrand rising with the populist right across the globe?

Polling ahead of Israel’s Oct. 27 election projects that National Security Minister Itamar Ben-Gvir’s Otzma Yehudit Party will win between seven and ten seats in the 120-member Knesset, potentially making any future government led by Benjamin Netanyahu’s Likud Party contingent on his support and positioning him to secure senior ministerial portfolios.

His political rise mirrors a broader trend across Europe and the West, where parties such as Marine Le Pen and Jordan Bardella's National Rally in France...