Final answer:
The person you would trust the least with a newborn baby is a negligent person, as they are prone to being unresponsive and insensitive to a baby's needs, which can hinder the development of trust and a sense of safety for the infant.
Step-by-step explanation:
When considering who you would trust the least with a newborn baby, it's important to evaluate the characteristics of each individual described in the options. According to Erikson's theory on the stages of development, the newborn stage requires responsive and sensitive caregiving for a baby to develop a sense of trust. Caregivers who do not meet their baby's needs can create feelings of anxiety and mistrust in the infant, leading to a view of the world as being unpredictable and unsafe.
Therefore, the person you would trust the least with a newborn would be b. Negligent person. A negligent person is likely to be unresponsive and insensitive to the baby's needs, failing to provide the necessary care and attention that is crucial for nurturing trust and security in a newborn.