Ash'ab and Abu Dulama, two personalities in the service of Sultan for entertaining.Both are intillegent and smart to get the best rewards on their jokes and smart answers. Tufayliyyen however, are thos who live on the back of others. We provide it as a part of Ihya' al Turath al Arabi fil Mahjar Project-USA, through the Arab American Encyclopedia originated and financially supported by the editor for the purpose of enhancing knowledge among first, second and third Arab and Muslim generations in Diaspora to feel proud of their culture. Good for common readers and professionals, it may be also included as a good curriculum choice for Middle and high school grades as well as undergraduate level. Dr. Hasan Yahya is an Arab American scholar, scientist and philosopher. He resides in Lansing, Michigan, and has four children and ten grandchildren.