Tink is an older Kharbranthian man that was hired by the The Muffin Man to spy and trap the party. He set up some traps at the Axehound shop in Kharbranth and snuck onto the The Wind’s Favor in a water barrel to continue spying on the party.
Nucko was able to find Tink and brought him out to the rest of the party where they questioned him for a while. Kael seemed intent on killing the old man, but Ravan stayed his hand and actually convinced Tink that Marren Vethar was an alias for his rival, Chungledown Bim
Tink doesn’t seem “all there” mentally, but has a seething hatred for Chungledown Bim. His motivations seem to be driven by getting revenge on Chungledown, which is likely why he accepted this spying mission for only 8 marks.
He mentioned that Chungledown Bim slept with his wife and that Chungledown promised to “shit in his mouth”.
When pressed by the party, he promised to help the party find the building where the Muffin Man is hiding Handsy in Vedenar in exchange for not killing him.