A derogative term pertaining to muslim-filipinos tagged by the Ilagas to their members.
They are the terrorist/rebels Filipino-Muslim or non-Muslims who were members of ILAGA Group (very known rebel groups in the 70's creating terror in the area of Visayas and Mindanao).
There is no widely recognized or specific definition for "MOKLO." It might be a made-up term or acronym that is not commonly used or known. More context or information is needed to provide a more accurate answer.