Business worry (7)
I believe the answer is:
concern
I believe this is a double definition.
'business' is the first definition.
('concern' can be a synonym of 'business')
'worry' is the second definition.
(I've seen this before)
(Other definitions for concern that I've seen before include "Relate to; care" , "Involve" , "Business organisation" , "Business - anxiety" , "Relate to; anxiety" .)