Slender, pre-owned, casual, mature, officer
Thwart: To oppose or prevent.
To thwart any outsiders from intruding, I built this wall made of broken bottles.
Buffy realized if the news of the scandal got out it would thwart her chances of becoming the president.
Future Business Leaders of America is the only club that relates to business and leadership, therefore, that is your answer.
Hope this helps!
He gets scared. it really rattles him, mentally