Some untapped resources under the volcano. There have been stories going around that there may be undiscovered gem caverns. Sure it's not pillaging or piratey stuff. But it's still walls...[She leans closer, meeting his eyes for added emphasis.] and walls...and walls of bright shiny rocks that could probably set us up for life.

[Then pulls back to snag two cups from one of the tavern servers.]
Buut since the captain said he didn't need diamonds...I suppose he doesn't need to know about the cave outside town that might lead to it all.