The missing location of the digger in Fool’s Path can be found on the provided image.
Guide to the Lost Digger Location
location
The area displayed when fetching a search from Kolya will be:
The missing digger is located here (the yellow arrow is my point):
The digger is behind the garage wall near the nearby camp:
After that you get a note and you have to go back to Kolia (the bar) – hf and enjoy.
Decoder location
After finding the missing digger, the next location for the secret meeting will be revealed within the SW of Dump:
Beware of PVP, black holes and vortex anomalies in the area, the secret meeting place is inside the small village SW of the dump:
It took me ages to find this man. He is in the attic of the ruined house:
After that you have to go back to the bar.
Location of the guide
After discovering the secret encounter with the bandit, the next location is inside the graveyard:
The guide is an NPC sitting at: (Agree with the NPC, he sends you back to the bar).
After that, talk to Kolia and get the Excursion’s Akaban as a quest reward.