Definition: A "hosteller" is a noun that refers to a person who stays in a hostel. Hostels are budget-friendly places where travelers can rent a bed, usually in a shared room, while traveling. They can also be places that provide affordable lodging for groups and young people.
In more advanced contexts, "hosteller" can be used to discuss the travel lifestyle of people who prefer communal living and socializing with other travelers.
While "hosteller" primarily refers to a traveler or someone who manages a hostel, it can also imply a certain lifestyle characterized by budget travel, adventure, and meeting new people.