Petr Kadlec, 22/09/2014 20:11:
Is it possible/useful to “adopt” an already-existing guest account at CLDR (which I have) under the WMF organisation?
Yes: it will increase your votes from 1 to 4. I'm not able to do that myself, but if you email me your user ID (email address) it usually gets done by the CLDR admins very quickly.
Nemo