Social media sharing is ubiquitous. Privacy control, however, does not serve all users equally. Previous research has focused on the cultural experience of rich, western, industrialized and educated populations. Meanwhile, the privacy experiences and the impact of social media on those in globally under-represented cultures are poorly understood. To address this, we conducted detailed interviews exploring how 45 Egyptian women navigate the competing pressures that social media and collectivist, patriarchal Arab cultural norms place on their privacy, and how they share information. Our qualitative analysis revealed four key topics: Culture, Personal Information Control and Loss, Sharing Attitudes and Technical Features. We further identified seven pain points describing how current social media fail to serve this community, ranging from conflicting pressures between platforms and cultural values, to vulnerabilities in crucial technical features like private Facebook Groups. Finally, we advocate for research to further explore the unique privacy experiences of under-represented groups.