Most people become JW's through friends and relatives.
The reverse also works.
The best way to help people break free is to work on your friends and relatives.
Just like JW's wait for the appropriate time to "witness" timing is everything.
You have to be there at the moment someone becomes conflicted about their trust in the organization.
It's hard to crush an egg by pressing the two ends between your hands. But at the same time a tiny bump will break through the shell.