Meet the duty leader.

The  task is a storyline mission featured in S.T.A.L.K.E.R.: Lost Alpha.

"Marked One, go and meet the duty guys in the village, they need help with a mutual problem."

- Barkeep

Overview

 * The Barkeep contacts the player via PDA shortly after arriving at Rostok Factory and provides the quoted instruction.
 * The player needs to meet Dima and exchange a few words.
 * This will conclude the task and spawn the Help duty reclaim their HQ. task.

Trivia

 * The other missions associated with this level and the 'secret lab' reached through it, are worth +500 Duty relation points in total, so there is plenty of incentive to trigger this mission.