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.
The petite bourgeoisie is economically distinct from the proletariat and the lumpenproletariat social-class strata who rely entirely on the sale of their labor-power for survival; and also are distinct from the capitalist class haute bourgeoisie (high bourgeoisie) who own the means of production, and thus can buy the labor-power of the proletariat and lumpenproletariat to work the means of production.