Brother of Oskar Senostrov and co-proprietor of the The Gallows Oak inn, along with their adopted daughter Adeline. He and Oskar agreed to put the party up for the night in exchange for some labour.
Arjun was the one who informed the party that their coins would be of no use in Barovia, where most currency bears the profile of Strahd von Zarovich, lord of the land. He also pointed them toward a camp of Vistani near a tributary of the River Ivlis.
He and his brother seem to have no particular quarrel with the Count. They are wary of what lurks in the mists but not panicked by it.