In Act 3 we learned a lot more about the character and philosophy of Alfred Doolittle. He is strangely individualistic personally and very eloquent. He is representative of the social class of the "undeserving poor", which, means that he is not entitled to receive financial support from the government, since he is physically able to work. He lives only for the moment; from day to day. The money he gets he wastes on intoxicating himself, and he has no intentions of taking any serious responsibilities, for himself, or for his daughter.
Further on, in Act 5, Mr. Doolittle appears at the house of Professor Higgins, and angrily accuses Higgins of making him into a middle-class gentleman against his will. Higgins has said that Alfred Doolittle was the most original moralist in present day England. He has written a note to Mr. Wannafeller, a rich American and told him that. Wannafeller died and left Dolittle a share worth a thousand dollar...