Preacher has a job on the outskirts of Liege (7)
I believe the answer is:
apostle
'preacher' is the definition.
(I've seen this before)
'a job on the outskirts of liege' is the wordplay.
'job' becomes 'post' (post is a kind of job).
'on' says to put letters next to each other.
'the outskirts of' means to remove the middle letters.
'liege' with its middle removed is 'le'.
'a'+'post'+'le'='APOSTLE'
'has' is the link.
(Other definitions for apostle that I've seen before include "Principal champion" , "Augustine, say" , "To lapse (anag) - ardent supporter of a cause" , "[JAMES] , for one?" , "Missionary or evangelist" .)