The above question requires a personal answer, based on your interpretation of the character and the story in which he is inserted. For that reason, I can't write an answer for you, but I'll show you how to write it.
First, you will have to read all the text related to Mockingjay and understand Peeta's actions, the motivations, and the results they present.
In this case, if Peeta's actions stimulate positive situations, he should not be considered a burden to the group, but these actions are negative or do not even exist, he should be considered a burden.
More information about Mockingjay at the link:
https://brainly.com/question/23355050
