sitter
n. countable B1 Intermediate US //ˈsɪtɝ// UK //sˈɪtɐ// sit·ter
n. a person who looks after a child, a pet, or a house while the owner is away. It is a shorter way to say 'babysitter' or 'house-sitter'.
n. a person who takes temporary charge of a child, pet, or property in the owner's absence. Often used as a shortened form of 'babysitter' or 'pet-sitter'.
We need to find a sitter for Saturday night.
Since the regular sitter was unavailable, the parents had to cancel their dinner plans at the last minute.
Finding a reliable sitter who can manage three energetic dogs and a large garden requires a thorough vetting process and clear communication of expectations.
Usage
Commonly used as a suffix in compound nouns like 'babysitter', 'house-sitter', or 'dog-sitter'.