I am a ex-dub who FINALLY has come into a relationship with Christ instead of an organization.
I think one needs to put love first and rather than condemning their belief, just engage them in a good relationship and get them, from time to time, to think about matters in a different 'light' than they've been taught. Ask questions about interpretation of different Scriptures.
I will be trying to put that into practice when my lovely 3 daughters come to visit me from Wisconsin this Christmas Day!!! They will be spending 10 days with me and then 40 days each summer vacation! They are being raised as jw's and are 14, 12, and 9.
While I may want to get them to see things my way so badly, the only way to get them to see straight is to ask them questions, show them realities, and always give them love. Love is something they do not experience inside the walls of the hall. It is a facade, shallow, hypocritical. They will always remember your love for them! Even if they never see things as you do they will not believe the things the Society says about people who no longer follow the Society.