Answer:
Strider, Mindanao, rattan, tilled, Buyayang.
Explanation:
Unfamiliar words are words that you don't hear or read very often and for that reason they become unknown to you, since due to the lack of access to them, you are unable to know what they mean. However, in a text, like the poem quoted in the question above, you may be able to understand their meaning through context clues, or with the help of a dictionary.
In the poem, the unfamiliar words were: Strider, Mindanao, rattan, tilled, Buyayang.
