Concierge

Concierge is a Railroad radiant quest in Fallout 4.

Quick walkthrough

 * 1) After completing the Mercer Safehouse quest, get the Concierge quest from Mercer's Caretaker.
 * 2) Go to the provided location and kill the marked enemy.
 * 3) Return to the Caretaker for a reward and a promise of more work.

Bugs
If the area assigned has already been cleared out then the player may have difficulty with quest completion.
 * To counter this bug on PC use console and insert: . This will mark the 'eliminate target' as completed and will let you talk to the caretaker (be safe and check it with ).