arborer
/ˈɑr.bə.rər/Definitions
1. noun
A person who cuts or prunes trees or shrubs, especially for a living.
“The arborer carefully trimmed the branches to maintain the tree’s shape.”
2. noun
A person who cultivates or tends trees, especially in an arboretum or a nursery.
“The arborer at the botanical garden was responsible for the health and maintenance of the collection.”