Answer:
C. teacher in front of his class.
Step-by-step explanation:
Roosevelt's role in the speech is most similar to that of a teacher in front of his class. In this speech, Roosevelt warns against the misery that we can cause due to misguided information and laughter at another's expense. This means that Roosevelt wants to educate the population in order to behave in a way that is more positive. This, therefore, allows him to resemble an educator.