This chapter of the guide to Dragon Ball Z: Kakarot has a walkthrough for Continually Attacked Villager side quest.
Time frame: From Majin Buu Reborn - Episode 8: Finale to No time limit
Reward: 248,653 EXP, Angelic Apron, Fancy Wristwatch
Where to start: Southeast Mountains Area, as Gohan.
To start this mission, you must go to Southeast Mountains Area. There you will find the attacked villager.
Your task is to kill the monsters attacking her. This fight can be tough because the enemies have higher levels than yours. Win the battle to receive the rewards.