ANSWER:

If there is a real eminent danger on them, they may do it while resenting it in their heart and trying to change their tactics in bringing awareness to their parents and to change this culture bit by bit! They must be diplomatic and learn how to preach Islam with wisdom. 

Here in Nigeria, there is some situation on-going, some of our brothers and sisters in the southern part are beginning to learn about the ruling on kneeling and bowing to greet and they are sticking to it, however the parents are being hostile especially since it is a cultural thing, they beat up these young girls and even take them out to forced marriages, some fled their homes. Your advice

Halal/Haram Matters, Innovations |