Obdurate people refer to the people that are kept separated by persuasion or resistant to moral influence. These types of people are busy in their world and are least bothered about the happenings of the around.
I would expect obdurate people to respond negatively to advertisements, they wouldn't really be persuaded by advertisements. This is a hypothetical question because a stolid friend would be dependable and calm which would be nice, but they also would have little emotion which would be annoying or awkward.
To know more about the obdurate people, refer to the link below:
https://brainly.com/question/15169112
