This was not the only time that Mary had to face the tough boys and girls of the slums. But she had a Friend who was closer to her than even her dear mother. He made her strong and brave and true. Mary loved her Saviour, and was ready to do whatever He might want her to do. Her class grew larger all the time. She visited the members in their slum homes. She fitted herself into the family. If the baby needed tending, she tended to it. If someone was sick, she helped to nurse the sick person. Always she told the family about Christ and His power to save. The people of the slums came to love this home missionary and many of them were won to Christ through her work. The years went by. Did Mary still remember she wanted to be a missionary in Calabar? Yes, she remembered, but now she had all she could do to support her family. Since Robert, the would-be missionary, had died, Mother Slessor hoped that her youngest son John would be a missionary. But God had other plans. John became sick. He was sent to New Zealand for his health, but died when he arrived in that country. Was there to be no missionary from the Slessor family? Whenever missionaries came to the Wishart Church or to Dundee, Mother Slessor, Mary, Susan and Janie would go to hear them. At home they would read the stories of missionaries and their work. They read missionary magazines. They read about the missionaries in China, Africa, Japan, India, and even Calabar. One day William Anderson, a missionary to the West Coast of Africa, came to the little church. He told of the great need for missionaries in Africa. He told of the bad things which the people did who did not know Jesus. Sitting in church, listening to the missionary, Mary saw in her mind a picture of Africa. It was not a beautiful picture. She saw captured Negroes being taken to other lands as slaves. She saw alligators and crocodiles swimming in the muddy waters, ever ready to eat black children who would come too close to the river. She saw cannibal chiefs at their terrible feasts and fearful battles with spears and arrows. She saw villages where trembling prisoners dipped their hands in boiling oil to test their guilt; where wives were killed to go with their dead chief into the spiritland. But these things did not frighten the Scottish girl who was afraid to cross a field if a cow was in it. She longed to go to Africa. "Why don't I become a missionary?" Mary asked herself as she worked the looms in the factory. "Can I leave my home? Does Mother still need my help? Susan and Janie are working now. They could get along without me. But will I be brave enough? There are tropical jungles, and black men who eat people. There are wild animals, sicknesses, and death. God can make me brave to face all of these things."