Gentile

The "Goy" who bought the chometz from Chaifa's Harav Chaim Katz shlita is a Breslover Chossid.

A goy activated the light on Shabbos at a hall rented by Rachmastrivke Chassidim in Williamsburg • The Rebbe, who saw it with his own eyes, would not forgive the chassidim and went to daven someplace else