A house sitter is typically someone who watches over and takes care of a homeowner's property and pets while they are away. There are a variety of different words and phrases that can be used to describe someone who performs this role. Some synonyms for "housesitter" might include pet-sitter, property caretaker, house minder, home watcher, vacation rental caretaker, or house guardian. These terms all encompass the duties of someone who is responsible for caring for a home and its inhabitants while the owners are away and provide a range of ways to describe this important role.