"The least they can do-the least they can do-is speak English", he added.
Another video shows a man who appears to be Schlossberg chanting "Milo (Yiannopoulos)" at a protest past year, and railing against "fake Jews".
"Your staff is speaking Spanish to customers when they should be speaking English", Schlossberg said. Possible penalties include sanction and censure, a suspended law license and removal from the state bar, according to a spokesman for the New York State Unified Court System, Lucian Chalfen.
An online GoFundMe page raised more than $1,000 to send a Mariachi band and a taco truck to the offices Schlossberg was booted from on Friday - though it was unclear whether the workers that Schlossberg was berating were Mexican. One Twitter user did a little sleuthing and released Schlossberg's name and career information to the public.
Mr Schlossberg was videoed shouting "you are not a Jew " at a Rabbi who was at the protest, going on to say: "he's pretending to be a Jew and making other people feel that's what Jews think". "If you intend on running a place in midtown Manhattan, the staff should be speaking English, not Spanish!"
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The clip shows Aaron Schlossberg scolding two employees of a NY deli on Wednesday for communicating in Spanish during a lunch hour rush at the Fresh Kitchen restaurant on Madison Ave.
Other customers are heard on the video denouncing what they describe as his racist comments. "They're grabbing my personal items".
Over the past day, NY has been united in its denunciation of Schlossberg's comments. "Defaming me. I can't even move, because they're blocking me".
Adriano Espaillat (D-NY) announced that he and Bronx Borough President Ruben Diaz, Jr.
Aaron Schlossberg, 44, had been leasing office space for his private law practice on Madison Avenue. Gonzalez and Serrano both identified him in a May 2017 video shot by Isaac Saul of A Plus.
Schlossberg's bio on his website says he focuses on commercial and insurance coverage issues.