Home help going up country (5)
I believe the answer is:
india
'country' is the definition.
(I know that India is a country)
'home help going up' is the wordplay.
'home' becomes 'in' ('he's home' can mean 'he's in').
'help' becomes 'aid' (synonyms).
'going up' is a reversal indicator.
'aid' in reverse letter order is 'dia'.
'in'+'dia'='INDIA'
(Other definitions for india that I've seen before include "Country; I (radio alphabet)" , ""Bharat", locally" , "New Delhi is its capital" , "Bollywood's country" , "Country: I (comms.)" .)