After completing the "Cat-Catchers on the Road" quest and freeing Shenjirra, I received the key to free the other slaves on the estate from her. I went to the estate and saw that the slaves have a "go free" option, but when it is selected it displays their request without prompting me to click Yes or No in response. Instead it's treated like any other dialogue entry.
so this is my first report so i hope i am not doing anything wrong. the mentioned character vaselius tunifus is in the dungeon of fort dustmoth in firewatch. when asked about "join the imperial legion" he directs to darius in gnisis when he should in fact direct to the local garrison.
