Final answer:
The person being described in the question is Charles Townshend, who sponsored the Revenue Act to assert British authority and raise money to pay colonial governors.
Step-by-step explanation:
The person being described in the question is Charles Townshend. He sponsored the Revenue Act, also known as the Townshend Revenue Act of 1767. The purpose of this act was to assert British authority and raise money to pay colonial governors. The revenue collected from these duties was intended to support the salaries of royally appointed judges, governors, and other officials who were traditionally paid by the colonial assemblies.