求翻译：他获得自由后不久就一心帮主逃亡奴隶。他几次偷偷地从加拿大回到美国帮主其他奴隶通过地下铁路获得自由。有一次在逃跑是，他和几个逃跑的奴隶被捕捉奴隶的人包围，他家逃跑的奴隶乔装打扮一番，成功地躲避了追捕。后来他在加拿大的得累斯顿为逃跑的奴隶建造了一个居住小区，并建了教堂和学校，他坚信奴隶制终将被废除，种族歧视消失的那一天一定会到来。是什么意思？

Shortly after he received the freedom of fugitive slaves as one main fact. He returned to the U.S. from Canada several times secretly Bangzhu other slaves through the underground railway to be free. Once in the escape, he and several escaped slaves who were captured slaves surrounded by his family e

Shortly after he was free to help slaves escape. Several times he secretly returned to the United States from Canada to help other slaves to freedom through underground railway. On one occasion during the escape, he and several escaped slaves were captured slaves, surrounded by his family's escape,

After he obtains the freedom soon on wholeheartedly to help the host to become a fugitive the slave.He several times secretly returns to US from Canada to help the host other slaves to obtain the freedom through the underground railway.Once is escaping is, he and several escape the slave is caught t

He obtained his freedom shortly after the main fact fugitive slaves. He stole from Canada back to the United States main fact free the other slaves through the underground railway. Once is fled, he and several escaped slaves were captured slaves who surrounded his home escaped slave to disguise, suc

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