wait on, serve
If you say that someone is servile, you don't respect them because they are too obedient, too agreeable, and too willing to do anything for another person.
If you are subservient, you are too eager and willing to do what other people want and often put your own wishes aside.
be worthy or deserving
worthy of being treated in a particular way
an act intended to help that turns out badly
a person working in the service of another (especially in the household)
serve a purpose, role, or function
a person whose occupation is to serve at table (as in a restaurant)
be used by
ready for service or able to give long service
abject or cringing submissiveness
state of subjection to an owner or master or forced labor imposed as punishment
the condition of being something that is useful in reaching an end or carrying out a plan
not deserved or earned
Differentiated vocabulary for your students is just a click away.