Good person with talk on a certain singer (9)
I believe the answer is:
stonechat
'singer' is the definition.
(stonechat is a kind of birdanimal)
'good person with talk on a certain' is the wordplay.
'good person' becomes 'st' (saint).
'with' says to put letters next to each other.
'talk' becomes 'chat' (chat can mean to talk).
'on' means one lot of letters go next to another.
'a certain' becomes 'one' (ie one particular example of something).
'chat' after 'one' is 'onechat'.
'st' put next to 'onechat' is 'STONECHAT'.
(Other definitions for stonechat that I've seen before include "Small heathland bird" , "singer" , "Heathland songbird" , "Bird of thrush family" .)