What Should I Say to Someone Who Claims to Be a Christian but Doesn’t Live Like It?

Questions about how to talk to someone who claims to be a Christian, but doesn’t live like it, without pushing her away and what a church should do about a “married” LGBTQ couple that’s been attending.

• How can I talk to my cousin, who claims to be a Christian but doesn’t live like it, without pushing her away?
• What should my church be doing about a “married” LGBTQ couple that’s been attending?