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Rich and poor alike fear death.
Literal
Wealthy people [also-も] poor-person [also-も] death [object-を] fear.
The paired も...も ('both X and Y') structure emphasizes inclusivity — 'both rich and poor.' A useful pattern for claims that apply across opposing categories. 恐れる ('to fear, dread') is a verb for abstract or existential fear, distinct from 怖がる ('to be afraid [visibly]').