Sam is likely to be a pediatric psychopharmacologist. It is
because they are the ones responsible for dealings with individual with mental
health conditions in which they are likely to be the ones to have the first
point of contract when they are to suffer a mental illness.
A pediatric psychopharmacologist is the one that prescribes medicines to treat neurological and psychological diseases that the chilren could have, this can be from different neurological problems, they could prescribe medicines to for example prevent seizures from happening improving the quality of life of the children and their families.
Here using symbols demonstrates your feelings, and so the reader/viewer/listener and understand the topic more clearly and their reactions will be more likely as you think
