outserve
/ˈaʊtˌsɜːrv/Definitions
1. verb
to serve someone or something to the point of being exhausted or overworked.
“She has been trying to outserve her boss by working extra hours to prove herself.”
2. noun
the act of serving someone or something to the point of being exhausted or overworked.
“His outserve to the company has taken a toll on his physical and mental health.”