sitter
//ˈsɪtər//
Noun
sitterSingular
sittersPlural
1
A person who looks after children, pets, or a house while the parents or owners are away.
We hired a sitter to look after our dog while we were on vacation.
2
A person who poses for a portrait or photograph.
The artist asked the sitter to hold still for a few more minutes.
3
A bird, especially a hen, that sits on eggs to hatch them.
This hen is a good sitter and will hatch the eggs in about three weeks.