Concept:The correct missionary is the one who served directly in Liberia and worked with local languages.
Explanation:Samuel Ajayi Crowther and Mary Slessor worked mainly in Nigeria, not Liberia.
Edward Blyden was an important Liberian educator and diplomat, but he was not known for Bible translation into indigenous Liberian languages.
Lott Cary was an African-American Baptist missionary who went to Liberia in the 1820s.
He established schools and missions, and he is recognized for translating the Bible into several indigenous Liberian languages.
Therefore, the correct option is Lott Cary.
Answer:D. Lott Cary