Sitter (noun)

1. A person who is paid to take care of children or pets while the owner is away.
2. A person who is hired to look after a house or property while the owner is away.
3. A person who sits or stays in a place, especially as a form of protest or demonstration.

Origin:

The origin of the word 'sitter' is uncertain, but it has been used in english since the 16th century.

Examples:

1. She was an experienced sitter and had taken care of children for many years.
2. He needed to find a reliable sitter to take care of his dog while he was away on vacation.
3. The sitter was required to stay at the house and keep an eye on things while the family was away.
4. She was an avid animal lover and often took on pet-sitting jobs.
5. During the political protest, the sitter refused to leave the area and was arrested for disorderly conduct.