The rise of online petitions has given individuals a powerful platform to voice their concerns and push for change. Latest study explores the intricate dynamics of sharing and signing online social petitions to a better understanding of factors that impact individuals' decision-making in this context. Our research focuses on three critical factors: privacy considerations, trust, and issue relevance, drawing from privacy calculus theory and trusting beliefs. We will utilize a quantitative survey to gather data from undergraduate and graduate students. This comprehensive approach delivers a thorough understanding of the critical factors that shape participation in online petitions in the digital era. Our results offer practical insights for social movement leaders and platform developers, enabling them to improve transparency and effectiveness in online advocacy.