Wow, you've explored so far in Farland, and your settlement thrives with each quest!
To discover new lands and embark on fresh adventures, a bit more effort is needed.
So, to complete the quest "Lean, but mean" and expand your territory (On the Way to the base of the Waterfall), other 2 quests should be completed:
After successful completion, go ahead for new adventures and may a lucky star accompany you throughout your journey!