It'd be personification, because the author is giving human-like characteristics to the stars, e.g. the stars holding and throwing spears.
Each color stands for something
Lower-class African Americans have a different sense of
identity than upper-class African Americans because:
They live with fewer social restrictions.
They do not seek the kind of success that white people
seek.
They do not care about how their identities fit into
social standards.
An idiom
an idiom is an expression whose meaning is different from the definition of the literal individual words.
meaning: you can’t physically be hurried in paperwork