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1.
A member of YBN (the Young British Naturists).

A youth member of British Naturism (BN), that facilitates social nakedity for young persons in and around the UK.

YBN is a group of young people, that meet up all through-out the year, at all sorts of fun places, to actively enjoy being socially nude together, and practicing Naturism.
Welcome to anyone worldwide with-in the age range set by the parent organisation BN. 
I want to be a Young Naturist like a YBN'er.

Look at those YBN'ers doing everything naked.
by Daryl YBN December 17, 2011