Correct option is D
Meaning Analysis:
Train – to teach someone a particular skill or type of behavior.
Instruct – to teach or give directions.
Educate – to give intellectual, moral, or social instruction.
Advocate – to publicly support or recommend a cause or policy.
Grouping Logic:
Train, Instruct, Educate — All three relate to teaching or learning.
Advocate — Means to support or recommend, not necessarily to teach.
Correct Answer: (D) Advocate
Explanation:
“Advocate” does not directly involve teaching or instruction, unlike the other three. It stands out as it refers to supporting a cause, not imparting knowledge.