Subservient

1. adjective

   abjectly submissive; characteristic of a slave or servant; ; - S.H.Adams

   “slavish devotion to her job ruled her life”

   Similar: slavish, submissive

2. adjective

   compliant and obedient to authority; -G. B. Shaw

   “editors and journalists who express opinions in print that are opposed to the interests of the rich are dismissed and replaced by subservient ones”

3. adjective

   serving or acting as a means or aid

   “instrumental in solving the crime”

   Similar: implemental, instrumental