Answer:
Katniss puts her family first, which means she cares about them more than herself, since she volunteered for the Hunger Games for her sister wouldn't go.
She's also very resourceful, and uses her environment to help her survive
Katniss is also respectful to those who give her respect first.
Harriet Tubman uses ethos to have the readers trust her and it helps make her an author you can trust. Ethos is when an author tries to convince the reader that they are a reliable source. So she uses ethos for her rhetorical appeal.
Hope that helps