Complex sentence: The term is also being used by the adherents of the movement, who call themselves "9/11 skeptics", "truth activists", or "9/11 Truthers", while generally rejecting the term "conspiracy theorists".
Split into simpler sentences: The term is also being used by the adherents of the movement. Adherents also call themselves "9/11 Truthers", "9/11 skeptics" or "truth activists", while generally rejecting the term "conspiracy theorists".