Show the first and third person as objects (5)
I believe the answer is:
usher
'show' is the definition.
(synonyms)
'first and third person as objects' is the wordplay.
I cannot really see how this works, but
'objects' could be 'us' (U is an example) and 'us' is found within the answer.
'third person' could be 'r' (3rd letter of 'person') and 'r' is found in the answer.
The remaining letters 'he' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...
'the' is the link.
Can you help me to learn more?
(Other definitions for usher that I've seen before include "R and B star" , "Helper at wedding" , "Person showing one to a seat" , "Person who shows one to a seat" , "He shows people to their seats in theatre" .)