"This is a crazy moment, right now, to see this child," said Myers, who was startled to find a child alone at 4:40 a.m. in the cold, wet weather.
Nailla was abducted from her West Philadelphia elementary school Monday morning by a woman who identified herself as "Tiffany," police said.
The girl was taken to a home, blindfolded, and hidden under a bed, according to a police source. She was later taken to the Upper Darby area and released.
The Upper Darby man now is being called a hero.
Philadelphia police said Tuesday night that Myers would receive the $10,000 reward for information leading to Nailla's safe return.
"We're lucky," Michael J. Chitwood, Upper Darby superintendent of police, said at a news conference attended by Myers and his wife. "We live in a society where people keep on walking. He got involved. He is a hero."
Myers said Nailla was so cold that he had a hard time understanding her name when a 911 operator asked for it. He didn't know he was holding the little girl who had been reported missing; he had not seen news reports of her abduction, he said.
Nailla told Myers - named by his father after the South African leader - that someone was chasing her and that she ran from South Philadelphia, where she lives.
"There is no way she could have run from South Philly," he said.
Nailla's grandfather said Tuesday that her abductors apparently dropped her off in Upper Darby.
As he held her close to keep her warm, Myers thought of his own family, he said: "She reminded me of my daughter so much."
Myers and his wife, Janie, have two foster children, Machia, 5, and Gary, 3, whom they are adopting. The couple have been married three years.
Janie Myers said she was not surprised that her husband stepped in to help Nailla.
"He's really a great guy," she said, calling him courageous and heroic. "I'm just so proud of him."
Contact Mari A. Schaefer at 610-313-8111, email@example.com or @MariSchaefer on Twitter.