Dogsbody and Yes-man

Dogsbody noun - A person who does very hard or dull work.

Yes-man and dogsbody are semantically related In some cases you can replace phrase "Yes-man" with "Dogsbody", this terms are similar.

Yes-man noun - A person of unquestioning obedience.

Dogsbody and yes-man are semantically related (British) in poodle topic. Sometimes you can use "Dogsbody" instead a noun phrase "Yes-man".