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I am applying for a student committe position in my residential hall. What should I include in my speech? - residential hall width

I live in a dormitory on campus in Australia. It is organized a company dormitory, which activities for the residents of the village community of students. I want a member of the committee. I want to be elected if I get more votes than the other candidates. I need to prepare a short speech. What should I in my speech, the people (that I) satisfy suitable for this position? Suggestions please.