This study examines whether volunteering for not-for-profit Organizations (NPOs) which are involved in providing social welfare services and which actively promote sociobehavioral factors like social responsibility, leadership, and self-confidence among its volunteers, reduces an individual’s likelihood of engaging in corrupt practices. We identify two psychological traits: propensity to rationalize (as evidenced by self-deception) and an external locus of control (as compared to an internal LOC) that facilitate unethical behavior. With the help of volunteers from two NPOs, we investigate whether engaging in social welfare activities organized by such NPOs would create awareness about the adverse consequences of corruption faced by large segments of the society, which in turn would make it difficult to rationalize unethical and corrupt acts. Additionally, most NPOs actively strive to develop self-confidence and leadership skills among its volunteers. Prior literature indicates that individuals possessing such qualities are more likely to have an internal LOC and also that individuals possessing an internal LOC are less likely to act in a corrupt manner. The overall results indicate that greater experience with such NPOs leads to a significant reduction in propensity to rationalize and leads to a higher likelihood of having an internal LOC.