You are preparing a short composition and related points about the role of teachers in society. Compose a 200-word piece and answer a few follow-up prompts that explore teachers' roles, a concluding remark, and ways society can support them.

a. Write a composition on "The Role of Teachers in Society" in 200 words.

b. Name three main roles of teachers and explain each role in one sentence.

c. Give a concise one-sentence concluding remark about teachers.

d. List three practical measures society should take to support teachers.