Setenants are people who live in the same building or property.
Setenants usually share some things, like the building or the yard.
Examples:
The setenants in our building are very friendly.
She knows all the setenants in the apartment complex.
The setenants take turns cleaning the yard.
The setenants had a party together.
All the setenants helped each other after the storm.
The setenants all waved to each other when they left for work.