Subservient /(?)/

Sub·serv·i·ent

Subservient

a.
  1. Fitted or disposed to subserve; useful in an inferior capacity; serving to promote some end; subordinate; hence, servile, truckling.
    Scarce ever reading anything which he did not make subservient in one kind or other.
    — Bp. Fell.
    These ranks of creatures are subservient one to another.
    Their temporal ambition was wholly subservient to their proselytizing spirit.