The big qualifier for obtaining insurance through AARP is age; you have to be at least 50 years old to participate in the organization and enjoy their benefits.
The qualifier for something that's deemed paranormal is an event or happening that is out of the normal range of knowns.
I read in a book that Abraham Lincoln was gay, but that's hardly a qualifier.
championship qualifier against France in Aberdeen.
The final match of the evening saw the in-form John White take on England's qualifier Adrian Grant.