Correct Answer: advocate

Solution : The correct choice is the fourth option .

Advocate is the correct choice. It means to support or argue for a cause. This helps convey the intended meaning that the speaker thinks the person being referred can publicly support and argue for the policy.

The meanings of the other options are as follows:

• Reciprocate means to respond to a gesture by corresponding action.
• Placate means to lessen someone's anger.
• Educate means to teach someone.

Therefore, the complete sentence is: "I think he is a worthy advocate of the policy and a worthy adversary for the press."