Could you point me to you source please? Articles I have seen so far don't tell of his background.
Ok, the statement about the woman with a hijab makes it likely he was anti-Trump in January of 2016. But that does not necessarily mean he was a Democrat nor leftists. There were many conservatives who thought Trump was a bully at the time. Still his actions at the Starbucks were not what I would expect from any conservative, nor even a modern racist of any kind. They were surreal.