1) The document summarizes an interview with Mr. Sandip N. Rathod, who works as a postal assistant, about his views on being a contributor.
2) He believes a contributor is someone who cares about others, takes responsibility, and puts the team's success over their own. They also enjoy challenges and hard work.
3) According to Mr. Rathod, the key qualities of a contributor are a positive attitude, hard work, team spirit, communication skills, and self-confidence. He also emphasizes the importance of internal and external job satisfaction.