Take up residence and pay (6)
I believe the answer is:
settle
I believe this clue is a double definition.
'take up residence' is the first definition.
(synonyms)
'pay' is the second definition.
(as in settling a bill)
'and' is the link.
(Other definitions for settle that I've seen before include "Get comfortable" , "High-backed bench" , "Fall on to floor" , "Come to rest; bench" , "Comes to an arrangement with the bench?" .)