What makes Jarrett unusual in the Obama world is that she is a friend and confidant of both Michelle and Barack.
You have to go out and assume the role of friend, or confidant, or party companion, or willing cohort, and Chris did all that.
VIEW OUR GALLERY and read an interview with his photographer and confidant.
1610s, confident, "(male) person trusted with private affairs," from French confident (16c.), from Italian confidente "a trusty friend," literally "confident, trusty," from Latin confidentem (nominative confidens), present participle of confidere "to trust, confide" (see confidence). The spelling with -a- came to predominate 18c. and might reflect the French pronunciation.