noun
forest ranger; mountain guardian
A person who patrols and protects a forest or mountain area, often employed by a local community or forestry association.
祖父は若い頃、山番として山火事を防いでいた。
When my grandfather was young, he worked as a mountain guardian preventing forest fires.
この地域では、山番が定期的に登山道の安全を確認している。
In this area, the forest ranger regularly checks the safety of the mountain trails.