Localize your Boddypress site
BuddyPress User Language is a Buddypress extension that allows user to see a language displayed in the back-end and front-end of your Boddypress site. The available languages are taken from the current theme and the wordpress installation. This plugin requieres ‘Buddypress’ and ‘User Language Switch’ to be installed in order to work.
1. Install the User Language Switch plugin and follow the configuration steps available here.
2. Download the Boddypress User Language plugin from here.
3. Upload the Boddypress-user-language folder to the /wp-content/plugins/ directory in your wordpress installation.
4. Activate the plugin through the ‘Plugins’ menu in WordPress.