One who’d bring news of row about personal credit (4,5)
I believe the answer is:
town crier
'one who'd bring news' is the definition.
'row about personal credit' is the wordplay.
'row' becomes 'tier' (tier is a kind of row**).
'about' is an insertion indicator.
'personal' becomes 'own' ('own' can be similar in meaning to 'personal').
'credit' becomes 'cr'.
'own'+'cr'='owncr'
'tier' placed around 'owncr' is 'TOWN-CRIER'.
'of' acts as a link.
(Other definitions for town crier that I've seen before include "(Old) local official making public announcements" , "Announcer" , "old teller" , "Newsreader" , "Formerly, an official who made public announcements" .)