MAP 1/2
Quest - Find The Secret Stash
Quest Pickup - Hideout (I8) (Miguel)
Quest Location - Water Pump (G21)
Quest Finish Point - Hideout (I8) (Miguel)
Go to the Water Pump its near the house north. it's on the north side of the house, not in the house. Return to Miguel, talk to him, he will thank you and offer to join you.