A subject complement is also known as a predicate noun-
A subject complement is the adjective, noun, or pronoun that appears in a sentence after a linking verb. It is also called predicative of the subject.
It is a predicative expression placed right after a linking verb also called copula and that complements the subject of the sentence by either renaming it or describing it.
In “Hanging Fire” Lorde's focus is on several issues that confront the teenager within the poem and affect teenagers in the extended world: the preoccupation with death, the problem of living in a sexist society, and the fear of isolation within the home
