As used in this chapter, the term "arborist" shall mean any person who trims, prunes, sprays or cuts trees for hire or otherwise serves as a specialist in the care and maintenance of individual trees. The term does not include anyone in the nursery business or a person employed or hired as a gardener who does the above described things in relation to trees as an incident to his employment as a gardener. (Ord. 2004-19, 5-18-2004)