I would probably say plump.
Essentially, in this question, you're looking for the word that would be the least insulting. More broadly, when asked about positive connotation, you're looking for a word that is not viewed negatively.
Words like fat and cheap have negative connotations, especially when applied to people. Words like plump and frugal are much more positive.
Protagonist because most stories are told in the point of that person.
<span>They basically tell you the theme of the entire story, because they endure the entire there</span>
A scientific article on the benefits of community service is the correct answer :) All the others are irrelevant or too old.