Does he have a work right now or employed? Then he can provide other proof of financial capacity .
See it here: http://www.globe.com.ph/help/postpaid/plans?jsid=045A2AC2544912704C4E8E138FAA5ED3.31390393125798
for non credit card holders, the only option is to pay the price of the ipad. i verified it with the sales hotline and unfortunately, Globe doesn't allow to charge it to bill.