Am I able to filter staff lists by primary languages of Opportunity Staff?

InitLive is now Bloomerang Volunteer—a new name, a new look, and a new integration. Bloomerang Volunteer works just like InitLive. You can do everything you always do, and in the same way. 

See what's changed.

Yes, in the Staff Tab you are able to filter by preferred language using the General Opportunity Filters. Doing so will also prompt you to add in the matching column, this allows you to filter to multiple languages and sort if desired.