A because in the poem it states "Some kindred spirit shall inquire thy fate," "For thee, who mindful of th' unhonour'd Dead," and "<span>In still small Accents whisp'ring from the Ground." He is talking about the dead and the people buried in the ground.</span>
the speaker thinking about in “Elegy Written in a Country Churchyard” are the people buried in the churchyard cemetery
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They describe the isolation of their town, the mistreatment of the rulers, and their own poverty and ignorance prevented them from accomplishing any greatness in their life.