See about - how should I put it - provider of relief (5)
I believe the answer is:
locum
'relief' is the definition.
(locum is a kind of relief)
'see about how should i put it provider' is the wordplay.
I cannot really understand how this works, but
'see' could be 'lo' (archaic exclamation meaning 'look!') and 'lo' is located in the answer.
'about' could be 'c' (circa) and 'c' is present in the answer.
The remaining letters 'um' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...
'of' acts as a link.
Can you help me to learn more?
(Other definitions for locum that I've seen before include "Relief doctor" , "Professional who substitutes temporarily for another" , "Professional temp" , "One stands in" , "Temporary substitute" .)