Those would be called Mercenary Soldiers.
Good luck! (:
I am not too sure whether the question calls for some specific answers, but I know two things that the Hindus believe in and the Sihks don't, and I think they will fill in the spaces nicely:
1) rituals
2) Gods! - Hinduism is a polytheistic religion and Sikhism monotheistic.
Answer:
A follower of structural-functionalism would look at the college classroom as an institution, and try to find what holds it together. He would analyze tertiary education is an important factor in today's society, and why college classroom s are the means to access tertiary education.
A follower of the conflict perspective would look at the conflicts between professor and students, or among the students themselves, and how those conflict shape social relationships in the classroom.
A follower of symbolic interactionism would look at the symbols in the classroom, and how students and professors relate to them, or in other words, what those symbols mean to them.