noun
forester
FOR-uh-ster/ˈfɔːrɪstər/
A person who works in forest management or study.
The forester measures the tree's diameter and records observations in a notebook.

Etymology
The forest-person was originally an officer responsible for a forest, especially protected woodland. That role connects directly with the modern forester’s work of managing or studying forests.
In context
he became the nation's first chief forester with an eager young staff and with a minimum of equipment he worked and taught and fought preaching conservation the wise use of our forest resources
More examples
- The forester recommends planting several kinds of native trees.
- Foresters study how drought affects tree growth.
- We consult a forester before cutting trees on our land.
Forms
forester · foresters
forestry noun — The science and practice of managing forests.
Similar words
- ranger
- Often protects public lands and assists visitors, beyond forest management.
- logger
- Specifically cuts and harvests trees rather than studying or managing forests.