They were maladroit enough to attack him on his least vulnerable side, summoning him before the privy council to answer to a charge of receiving bribes in the administration of justice. How would you define maladroit?
The term proletariat is used in Marxist theory to name the social class that does not have ownership of the means of production and whose only means of subsistence is to sell their labor power for a wage or salary. Proletarians are wage-workers, while some refer to those who receive salaries as the salariat.
Bourgeoisie is often used insultingly. In between the very poor and the super rich is the bourgeoisie. People have traditionally viewed the bourgeoisie as kind of crass and pretentious. The word yuppie could be a more contemporary synonym for bourgeoisie. In communist writing, the bourgeoisie are the capitalist class, as opposed to the workers (the proletariat).