when bolivar refers to "a race halfway between the legitimate owners of the land and the spanish usurpers" to who, is bolivar referring when he indicates "the legitimate owners of the land"?

Bolivar is referring to the Mestizo people.

Explanation:

Spanish America, from where Bolivar came from (he was from Venezuela) was inhabited by many races, but mestizos were the majority. Mestizos are people of mixed Spanish and Native American descent.

This is why Bolivar refers to race halfway the legitimate owners of the land (the Natives), and the Spanish usurpers. This "halfway race" represents mestizos.

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