I would like to know from the experienced guys about the different qualifications you need to be able to call yourself a rescue diver, i have done PADI open water and am wondering if go to Rescue diver will that be enough do be able to actually call myself a rescue diver or will i have to go all the way to Class 4 commercial, the problem is i live in South Africa but i know the dive standards are international so i hope it won't be a problem