And now the power that he held was like a beacon of mine

from Angel Haze – Cleaning Out My Closet Lyrics on Rap Genius

Meaning

The beacon represent’s the guy that was constantly molesting/raping her and the fact that he did it whenever he wanted without anyone caring or trying too stop him made it feel like he was full of power from Hazes perspective.
(Imagine the beacon being the rapist and the light being aimed at Hazes younger self)

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