Northerner will need second home in country (4)
I believe the answer is:
scot
'northerner' is the definition.
(someone from Scotland)
'second home in country' is the wordplay.
'second' becomes 's' (common abbreviation).
'home in country' becomes 'cot' (archaic term for a cottage).
's'+'cot'='SCOT'
'will need' is the link.
(Other definitions for scot that I've seen before include "someone with devolved parliament?" , "---- free: originally free from penalties of taxation" , "Someone from north of the border?" , "Rabbie Burns, for instance" , "Native of Inverness" .)