Sentence:  He added that he was not "one of those Talmud Jews"; that he belonged to the American Reformed Church, known in Russia as the <WSD>Karaim</WSD> Jews. ... As soon as General Kosloff understood that Moses was a <WSD>Karaim</WSD> Jew, he told the consul-general to send the man to him the next morning ... 
Meaning of the word marked with <WSD> tags:  A Karaite (especially a Crimean, Turkic one).