Leave watch for temp (4-5)
I believe the answer is:
part-timer
'temp' is the definition.
The definition and answer can be both people as well as being singular nouns.
Perhaps you can see an association between them that I don't see?
'leave watch' is the wordplay.
'leave' becomes 'part' (part can mean to leave or depart).
'watch' becomes 'timer' (a watch might be used to time something).
'part'+'timer'='PART-TIMER'
'for' is the link.
Can you help me to learn more?
(Other definitions for part-timer that I've seen before include "Casual worker" , "worker on reduced hours" , "One working less than a full week" , "One not working the whole week" , "One working reduced hours" .)