What's the noun for subjection? Here's the word you're looking for.
subject
(grammar) In a clause: the word or word group (usually a noun phrase) that is dealt with. In active clauses with verbs denoting an action, the subject and the actor are usually the same.
“It investigates the ways that society deals with technology in its material, social, and subjectification aspects.”
“The subjectification of the beloved in Petrarchan lyric entails the internalization of a feminine image, an eidolon rather than an objectively real presence.”
“This constitutes not only a matrix of subjectification, but it also implies an alternative political relationship, where obedience, as the reverse of command, goes hand in hand with an assumption of responsibility.”