An often workable solution is to reuse the predicate of the dependent clause. So I'd look for adjectives reflecting not listening. In fact not listening is an adverbial phrase, so what more could one want?
disobedient is thought to be equal to dis- + audio. That is however not recognizable anymore. (There's also reason to believe the word had other connotations of not belonging, which was requested to be edited out).
A more naive variant would be deaf, "unable to hear", in certain cases tone deaf "ignorant of the implications; insensitive*. This is rather offensive. stupor has a sense of simple, which is likewise reflected in idiotic, and might go along with ego-ism (caring only about ones own opinion and feelings). That does not work well in the bigger picture in which peers are the motivation. Neither do "naughty", "rebellious", etc fit there. I'd avoid going with a emotionally loaded thickheaded, stubborn, too.
Less emotionally loaded would be
which express the lack of perception metaphorically.
Overall the question is one of Psychology and Socio-Linguistic. Subsuming that under a lay man's understanding by the proxy of a fictive objective judge ("she was called ..." by whom?) is effectively yielding subjective answers from each one's individual perspective. In that sense I'd assume, she was called "pretty bad-ass" by her friends.
last but not least, more formal variants of stubborn would be
Stubbornly adhering to an opinion, purpose, or course, usually with implied unreasonableness; persistent.
From this consideration it is that we have derived the custom, in times of war, to punish […] those who are obstinate to defend a place that by the rules of war is not tenable