Related Rule
Philippines
Practice Relating to Rule 3. Definition of Combatants
The Philippine Army Soldier’s Handbook on Human Rights and International Humanitarian Law (2006) notes in its glossary: “Combatant – means any member of the armed forces except medical personnel and religious personnel.” 
Philippines, Philippine Army Soldier’s Handbook on Human Rights and International Humanitarian Law, A Practical Guide for Internal Security Operations, 2006, p. 68, Glossary.