Despite all the advances that atheists have made in recent years, it is still not easy for some to declare themselves to be unbelievers. This is so even in the US and in some countries it is sufficient to warrant the death penalty.
Fellow FtB blogger, the prolific Greta Christina has a new book out called Coming Out Atheist: How to Do It, How to Help Each Other, and Why that has advice for people who are either thinking of coming out themselves or know of someone who is struggling to do so. and The book has received some excellent pre-publication reviews. You can read more about the book and what people have said about it here.