ignoramus

A demagogue must be neither an educated nor an honest man; he has to be an ignoramus and a rogue.

Plotz was, by his own estimation, an inattentive Jew, a biblical ignoramus.

This fellow was an ignoramus, did not even understand the Jewish language, and made use therefore of Russian.

Any political ignoramus, if hoisted to the "bench," has judicial authority to declare the law,—it is absolute.

Why is one born into this world an ignoramus, knowing nothing of the laws, customs and usage one inadvertently breaks?

"If that luncheon was not expensive, then I am indeed an ignoramus," said Dolly, when they began to figure out its cost.

But fools will rush in where angels fear to tread, and Ignoramus walks with confidence where Eruditus fears to take a step.