What role does salvation play in religion, both for the individual and the whole community?

Do not use external sources for this essay. The book chapters and its corresponding PowerPoint presentations should be sufficient.
What role does salvation play in religion, both for the individual and the whole community? Give an example of how an individual can perceive salvation and explain the ways he/she follows in order to attain it (for example, you can explain how a Buddhist perceives nirvana and seeks to achieve it by following the way of meditation).lecture: https://www.youtube.com/watch?v=46z-T9xhKTk