Possible Clues:

• First two characters on campus upset us? A student's unconcerned
• Informal, off-hand
• Like the dress code on Friday, maybe
• Smart companion to relaxed clothing style
• Careless sort of work
• Indifferent about a city in America American backed
• Off-hand, cold and, as usual, ignoring us
• Accountant's regular but not acceptable as temporary employee
• Smart companion in relaxed clothing
• Easy-going accountant to Saul goes to pieces