She’s desperate to get her four grandchildren out of foster care. A stranger is offering her help

Linda Huff is a grieving grandmother and unemployed child-care worker who sleeps on a sofa, for $150 a month, in the living room of a shared backyard unit in Lynwood.

Former nurse Gayle Coyle-Ikemoto is a health insurance executive who lives comfortably in a two-story house in Torrance with her…