Sentence:  What is a <WSD>demagogue</WSD>? He is a politician skilled in oratory, flattery and invective; evasive in discussing vital issues; promising everything to everybody; appealing to the passions rather than the reason of the public; and arousing racial, religious, and class prejudices—a man whose lust for power without recourse to principle leads him to seek to become a master of the masses. He has for centuries practiced his profession of 'man of the people'. He is a product of a political tradition nearly as old as western civilization itself. 
Meaning of the word marked with <WSD> tags:  A political orator or leader who gains favor by pandering to or exciting the passions and prejudices of the audience rather than by using rational argument.