Complex sentence: However, it is now only the Catholic group who continue to use the title "Melkite"; thus, in modern usage, the term applies almost exclusively to the Arabic-speaking Greek Catholics from the Middle East.
Split into simpler sentences: However, it is only the latter, Catholic group who continue to use the title "Melkite". Thus, in modern usage, the term applies almost exclusively to the Arabic-speaking Greek Catholics from the Middle East.