One who is subordinate.

To make subservient.

To treat as of less value or importance.

To make of lower priority in order of payment in bankruptcy.

Placed in a lower class, rank, or position.

Submissive or inferior to, or controlled by authority.

(grammar, of a clause) dependent on and either modifying or complementing the main clause

“In the sentence “The barbecue finished before John arrived”, the subordinate clause “before John arrived” specifies the time of the main clause, “The barbecue finished”.”