same as the two above i had some trouble with this but i found a way of getting this relatively easy. At the southern end of the village is the mounted gun and i found that placing your team mates in a defensive position in the clump of trees on the other side of the road made this easier as most of the time i had trouble with the PLA guys over there as i couldn't see them to fire at them because of the hill. Please comment to let me know if this one worked for you :)
EDIT: put yourself on the mounted gun looking at the hill in the direction it's pointing. Take a look at your map every now and then too to see just whats happening around town