Concept:The speaker's warning reflects a deep concern for another person's well-being and future.Explanation:Ada advises Wanja against drug and alcohol abuse.She points out the risks of psychiatric problems and premature death.She encourages him to develop good character and fulfil his destiny.This shows that Ada is worried about Wanja's safety, health, and overall welfare.Such concern for the well-being of others is known as welfarism.Answer:D. welfarism.