He guides you and me to her (5)
I believe the answer is:
usher
'he guides you' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.
'me to her' is the wordplay.
'me' becomes 'us' ('us' can mean 'me' in some dialects).
'us'+'her'='USHER'
'and' is the link.
Can you help me to learn more?
(Other definitions for usher that I've seen before include "Doorkeeper, escort" , "One escorts people to seats" , "He shows people to their seats in theatre" , "'The Fall of the House of -----', Edgar Allan Poe" , "Court or parliamentary official" .)