Jan Eissfeldt, 28/04/2013 11:23:
The annual plan 2012-13, published a couple of months after the announcement mid 2012, provided more explicitation [...]
I remember that passage very well, I know that these positions have been announced a long time ago; I specifically asked documentation of «The community advocacy team [...] is an attempt to shore up the Foundation's knowledge of non-English speaking projects». At this point we can conclude that the documentation doesn't yet exist.
I suggest to work on the page https://meta.wikimedia.org/wiki/Legal_and_Community_Advocacy A start could be to answer the questions «What does it mean? How can you help? What do we do?» you asked yourself over a year ago at https://meta.wikimedia.org/wiki/Legal_and_Community_Advocacy/Community_Advocacy (I assume you found an answer, but it's not communicated).
Nemo