If she will be traveling and not just going to one location, maybe a small to medium backpack.
Bug Spray. A long cotton skirt. A gift certificate at a hiking store so she can buy hiking boots. A nice heavy flashlight. Can double as weapon.
a mosquito net, poncho, flashlight: alot of the countries have frequent power outages, bug spray with at least 25% DEET, hiking boots, sunscreen, knife, immodium and pepto bismol. just to name a few......good luck!