I got it now. You must have " rainbow shell bikini " in your inventory to fish in that spot. Just use this command:
/get cloth_20
It's also easy to craft rainbow shell bikini. Find shells on the shore, tie them with rope to get ordinary shell bikini. Find rainbow coral underwater (you need a raft anyway to go chasing the mermaid), and upgrade shell bikini to rainbow shell bikini.
And here I am, already level up Man to much higher level... Does Moral matter? I want to go full on Machiavelli, but I don't know if doing immoral thing, would it matter?
As Machiavelli has said, it doesn't matter if you are loved or feared. But you must avoid getting hated.
In this case, you must avoid getting their moral deep into negatives, or they will rebel, and start raping and murdering.
High moral doesn't seem to improve their work performance.
Is there a way to bring him back or something? Because it's a big oof moment if the thread of fate is severed and you can lose hours of progress because you forgot to regularly feed the ugly bastard off on the edge of the map far away from your base because you were getting notices about unrequited love between natives and not that the bastard needs feeding again.
Your save file is human-readable. So you can just edit the state of his quest to its initial state. At least, that seems to be the advice given in this thread before.