Question

Teacher is to educate as doctor is to

Answer 1

Here, teacher is related to his work i.e., to educate people.
Similarly, the job of a doctor is to treat people. Hence,

Teacher is to educate as doctor is to treat.

Answer 2

A doctor is a professional who practises medicine, which is concerned with promoting, maintaining, or restoring health through the study, diagnosis, and treatment of disease, injury, and other physical and mental impairments.