arboriculturist
/ˌɑrbərɪˈkʌltʃərɪst/
noun
- A person who studies and cares for trees, especially for their health and growth.
- The arboriculturist examined the old oak tree for signs of disease.
- She became an arboriculturist because she loved climbing and studying trees.
- Our city hired an arboriculturist to plan the new park's tree layout.