tiersman
/ˈtɪərmən/Definitions
1. noun
A man or boy employed to tend or manage horses, especially in a stable.
“The tierman took care of the prize-winning stallions throughout the night.”
2. noun
A person, especially a man, who is employed to manage or work in a particular field or activity, such as the sea or a mine.
“The tierman of the fishing boat guided the crew through treacherous waters.”