Extract the occupations of Elie Wiesel from the text.

Elie Wiesel (/ˈɛli viːˈzɛl/, born Eliezer Wiesel, Yiddish: אליעזר װיזעל Eliezer Vizel;[4][5] September 30, 1928 – July 2, 2016) was a Romanian-born American writer, professor, political activist, Nobel laureate, and Holocaust survivor.

Writer, Professor, Activist