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

https://www.mindstick.com/Articles/146541/how-to-tell-when-you-are-dealing-with-a-tree-lopper-or-an-arborist-8536

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