This page of the guide to Dragon Ball Z: Kakarot has a walkthrough for the Attacked Villager side quest.
Time frame: From Evil Emperor Frieza - Episode 8: Intermission - Episode 8: Intermission
Reward: 38,616 EXP, D Medal, Silk Apron, Fancy Earrings
Where to start: Southeastern mountains, as Gohan.
The quest will begin with a short conversation with a villager woman. You must defeat the enemies.
This fight shouldn't cause you much trouble. Their level is only one point above yours.
After defeating the opponents, go to the villager and get your reward.