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.
When the proletarians are organized into a class and establish their supremacy over the bourgeoisie and the purpose of this is to emancipate the workers then that can be termed dictatorship of the proletariat. Elsewhere Lenin defines it in the following words: