The interviewer wants you to bring your resume to life for them. If you have worked several different jobs, focus on the ones that pertain to this role. Think about ways you can transfer the skills from previous jobs and apply them to this volunteer position.
"I have spent the past five years working in a human resources position. I focus on tasks such as recruiting and administration. Through these experiences, I have developed a passion for helping others find jobs. I look forward to applying those skills here, as a volunteer coordinator."
"I have been working as a maintenance supervisor for the past fifteen years. Part of my reason for volunteering is to gain some variety in my day to day experiences. I look forward to helping others and giving back to the community."
"After achieving my Bachelor's Degree in Communication, I worked for a local marketing agency for seven years. It was through this company that I learned the importance of corporate volunteering."