Professor Gager is also an avid rock climber , kayaker , and cyclist .
Gager 's scholarly concern is with the religions of the Roman Empire , especially early Christianity and its relations to ancient Judaism , and has also written on the theme of religion and magic .
Gager Gager is also an avid Gager   , kayaker , and cyclist .
Gager 's scholarly concern is with the religions of the Roman Empire , especially early Christianity and its relations to ancient Judaism , and has also written on the theme of religion and magic .