SWAPO
South Vietnam
Not necessarily
It was hit and run attacks and sneak or surprise attacks
There were a couple main harships Guerrilla Fighters faced. These were unpreductability of the climate and weather, and difficulty supplying for arms and other resources.
Mau Mau
they are like freedom fighters
The North Vietnamese governments guerrilla fighters and regular army.
Vietcongas ;)
Guerrillero. This is the Spanish word for guerrilla fighters. Guerilla comes from the Spanish, meaning "little war".
The Mujahideen
They are Freedom fighters.