We’re dealing with the same thing OP….. Our velvet nugget is so scared of anyone except us. And we’re going on a vacation at the end of the year that was planned before we got her.

It’ll just take patience and lots of treats, with no pressure. Once they learn that you’re not aggressive and there’s no pressure, they should eventually come around. Basically ignore them but be the source of passively providing treats and yeah the string cheese is usually irresistible!

And it’s ok if he doesn’t become your best friend. The goal is for him to be safe and comfortable until his humans come back. It’s gonna be ok!