How to tell the difference between at Tree Lopper and an Arborist

https://hotel-wiki.win/index.php?title=An_Arborist_or_Tree_Lopper%3F_How_to_Tell_them_apart

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 produced between the Arborist and the tree