The appropriate pronoun for this sentence is "he".
Atsidi stood just outside his family’s hogan in the heat of the early morning air and looked out across the vast landscape of shrubs that peppered the flat land of the reservation. In the distance, red rocks with shaved tops stood at attention. Behind them, a range of mountains wandered across the horizon as far as the eye could see. "Atsidi looked for signs of movement; the horses and wagon wheels bearing his brother back home would signal their approach with clouds of dry, dusty, disturbed earth.
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The bold sentence bears the answer. He is watching for his brother; he <em>wants to greet his brother.</em>
The young girl cleaned up the public park because she wanted to create atonement for littering around the area.
