Be holding the group of aliens, or foreigners (8)

I believe the answer is:

balinese

I'm a little stuck... Click here to teach me more about this clue!

But I can't explain it at all! Could you help me understand?

(Other definitions for balinese that I've seen before include "Islanders" , "policy needs external support" , "Indonesian" , "Foreign language" , "Asian language" .)

Want a hint initially instead of a full solution? Install my app