Squatter (noun)

1. A person who occupies an uninhabited building or land without any legal claim or without paying rent.
2. A person who squats, especially a weightlifter.

Origin:

Early 19th century: from squat + -er.

Examples:

1. The squatters were evicted from the abandoned building.
2. The land was taken over by squatters.
3. He was a professional weightlifter known for his impressive squats.
4. He was squatting down to pick up the fallen object.
5. She is doing squats as part of her workout routine.