Bird dog and Baby sitter

Bird dog noun - A gun dog trained to locate or retrieve birds.

Baby sitter and bird dog are semantically related in person who serves others topic. In some cases you can use "Baby sitter" instead a noun phrase "Bird dog".

Bird dog and baby sitter are semantically related in keeper topic. Sometimes you can use "Bird dog" instead a noun phrase "Baby sitter", if it concerns topics such as person who serves others.