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

https://wiki-planet.win/index.php?title=Differentiating_Between_A_Tree_Lopper_And_An_Arborist_35442

One of the very most pressing needs following a thunderstorm is to have the branches and leaves of the trees in a compound trimmed. Here a differentiation has to be made involving the Arborist and the tree lopper