This achievement is awarded for completing the story mission 'Fame or Shame.' You should get it through normal progression playing through the story.
The gold requirements for this mission are:
** Assuming you're looking at this specific story-related achievement because you're like me and for some reason it didn't unlock for you at the end of the mission, I found that if you quit the game (
+scroll to quit) then relaunch it again and replay the mission via Replay Mission in the pause menu it will pop the achievement. At least in my case.