Nar-anon is a 12 Step program for the friends and family members of addicts. They are not affiliated with Narcotics Anonymous, but maybe useful in helping you.
Friends and family members often reach out to Narcotics Anonymous as they know someone who is suffering from drug addiction. NA is a program based upon addicts helping other addicts live drug-free. One suggestion we can make is that you have information available for when that person seeks help.
Narcotics Anonymous Literature: