According to your textbook, if you quoted tsunami survivor hiromitsu shinkawa on the hardships that face residents trying to rebuild their lives in japan, you would be using testimony.

A man who gives peer testimony may not have ability in a specific field, but rather he or she likely has personal involvement with the current issue. In spite of the fact that peer testimony can without much of a stretch be tested, it can be a capable device in influencing a crowd of people, especially when conveyed or given by a very famous big name.

its c i google it wish u luck