Waiting for Godot Lesson Plan

As the characters try to help one another, they keep falling to the ground. If this were taken as a symbol, what might it represent?

Beckett was writing within and about a society that was relatively individualistic. It could be argued that the metaphor here is that whenever one reaches down to help another, he ends up hurting himself: in a societal sense, it is difficult to help those in worse circumstances than yourself without reducing your own circumstances. It could also be taken in a philosophical or psychological sense: one man's depression or philosophical despair can produce the same in others.

What is the significance of the names that Estragon calls Pozzo...