A participant is a verb form that can be used in a the same function as an adjective.
Here it's "challenging": it's a form of the verb "challenge", but it has the same function that an adjective would.
The answer is Situational Irony. In example: "Olympic swimmer drowns in own bathtub." you'd expect an Olympic swimmer to NOT drown at any time but it makes the situation ironic when it DOES happen
Answer:
Tolkien shows Thorin to be trusting, as depicted in his forgiveness of Bilbo after the theft of the Arkenstone, while the Master is mistrusting, as seen in his immediate suspicion regarding the dwarves' arrival.
Explanation:
i took the test got 99.9