3 adjectives to describe proconsuls

The hoary proconsul of the Lorraines, Radetzky, if not personally cruel, was determined to do for his masters what Castilian lieutenants had done for the Austro-Burgundian monarchs of Spain and her dependencies, the fairest portions of Italy being among those dependencies, in the sixteenth and seventeenth centuries,to destroy the public spirit of Italy.

A British army, full four thousand strong, was assembled to act against the invader, at the head of which was General Lake, afterward Lord Lake,elevated to the peerage in reward of services performed in India, and one of the most ruthless of those harsh and brutal proconsuls employed by England to destroy the spirit of the people of Ireland.

The hoary proconsul of the Lorraines, Radetzky, if not personally cruel, was determined to do for his masters what Castilian lieutenants had done for the Austro-Burgundian monarchs of Spain and her dependencies, the fairest portions of Italy being among those dependencies, in the sixteenth and seventeenth centuries,to destroy the public spirit of Italy.

3 adjectives to describe  proconsuls