Original sentence: Bernard Sabella, a Palestinian Christian and professor at Bethlehem University, disputes this claim, arguing that it is not Islamic fundamentalism by itself that has caused Christians to emigrate, but rather the bad economic and political situation due to Israeli occupation
Edited sentence: " On the other hand, Dr.Bernard Sabella, a professor at Bethlehem University, argues that it is not Islamic fundamentalism by itself that has caused Christians to emigrate, but rather the bad economic and political situation