arborist

noun

1. A person in the practice of arboriculture; a tree surgeon.

   “He took night classes to get certified as an arborist and loved that so few people knew what an arborist did, so he could explain, “I’m a tree doctor.””

   “Mr. Zuckerberg did not attend the meeting, but an architect, a builder and an arborist he had hired tried to convince the board that they were not removing single-family housing stock. The board did not buy it.”