Salam brother, My family can get like yours not with arguing and the like, but not being very religious. The only thing you can do brother is you carry on acting like a Muslim with whatever you do, act like a Muslim. As Habib Umar and many others have said, if we act like Muslims ourselves people will just follow. So don't worry about "preaching" to them or persuading them... You be a good Muslim and pray to Allah to guide them... eventually i speak from personal experience, your family will follow brother. They will do what you do and if you continue, they will continue being pious... and you will get many reward, InshAllah Set an example Be strong in faith NEVER criticise or insult or shout at your family - this will not help. Have mercy, speak gently about the Prophet and Allah in conversation. Talk to your family members about random things, make jokes, do not become depressed, angry and stern at your family. Do not give up hope, keep doing what you do and be kind. And lastly make Dua, Only Allah guides, Ask him to Guide your family. Eventually i assure you your family will come around brother. This happened with my family, speak with love and advice NOT anger and command. May Allah guide your family, bless your family, accept your family and have Mercy upon your family. Salam.