home-sitter1
/ˈhəʊmsɪtə/noun
A person who stays at home; a homebody.
Origin
Mid 17th century; earliest use found in George Daniel (1616–1657), poet. From home + sitter.
home-sitter2
/ˈhəʊmsɪtə/originally US
noun
= house-sitter.
Origin
1950s; earliest use found in Salina (Kansas) Journal. From home + -sitter.