Refers to someone who protects or guards something.
El guarreen del bosque se encargaba de proteger a los animales y las plantas del área de cazadores y depredadores.
The guardian of the forest was responsible for protecting the animals and plants in the area from hunters and predators.
El guarreen del pueblo siempre se aseguraba de que todos estuvieran a salvo durante las tormentas.
The guardian of the village always made sure everyone was safe during storms.