When uploading you can upload a preferred language for activists. Use the language's code to set the language for that activist. If not set, default is English.
Accepted languages and codes are English (en), Danish (da), Dutch (nl), Finnish (fi), French (fr), German (de), Indonesian (id), Japanese (ja), Moldovan (mo), Portuguese (pt-BR), Russian (ru), Spanish (es), Swedish (sv), and Turkish (tr).
You can assign activists to countries by uploading a country code. Use the two digit country code to set the country. If not set, default is the US.