### Clue: They may be after estate – amen! (6)
### Answer: AGENTS 
 ### Explanation: Definition: They may be after estate
  A GENTS("amen" split into "a" and "men",gents)
Defn:  Literally coming after "estate" in the phrase "estate agents" and figuratively on the lookout for,after estate,property they can manage/market for the owners.  Nice surface.