Who is the pygmalion character in shaw's play?

What is the reasoning in this argument?

Lines 47–56: determine the central idea of these lines

Write a speech about a current practice - anything people commonly do in society today - that you think the people of the future will see as a form of discrimination. what are some practices that are legal today that you think limit people's rights? do you yourself feel you're being treated unfairly? you'll support your ideas with evidence you find through research. you'll also enhance your speech with audio or video.