To roust means to wake someone up or make them leave a place.
Roust can make people think of being forced to leave or being woken up suddenly.
Examples:
I will roust you from bed in the morning.
The police roust the people from the park.
He rousts the cat from under the bed.
I roust my brother from the couch.
The loud noise rousts everyone from their sleep.
The smell of breakfast rousts me from my room.