A Tree Lopper or an Arborist? How to know the difference

https://lima-wiki.win/index.php?title=Surprising_facts_you_may_not_know_about_the_difference_between_a_tree_lopper_and_an_arborist

One of the very pressing needs after having a thunderstorm is to really have the branches and leaves of the trees in a compound trimmed. Here a differentiation must be made involving the Arborist and the tree lopper