Frank Schaeffer is Eastern Orthodox.
‘On October 10, 2008, a public letter to Senator John McCain and Sarah Palin from Schaeffer was published in the Baltimore Sun newspaper.[8] The letter contained an impassioned plea for McCain to arrest what Schaeffer perceived as a hateful and prejudiced tone of the Republican Party’s election campaign. Schaeffer was convinced that there was a pronounced danger that fringe groups in America could be goaded into pursuing violence. “If you do not stand up for all that is good in America and declare that Senator Obama is a patriot, fit for office, and denounce your hate-filled supporters ... history will hold you responsible for all that follows.”’
https://en.wikipedia.org/wiki/Frank_Schaeffer