servile
ser-vile
adjective
Showing an excessive willingness to serve or please others; characteristic of a slave.
"His servile obedience to the boss was irritating."
Thesaurus
Synonyms: slavish, toadyish, obsequious, bootlicking, fawning, submissive, sycophantic, slavelike, subservient
Antonyms: unservile, unsubmissive