Saudi Man Arrested as a Result of Twitter Breach, Sister Says

The transcript discusses the disappearance of a humanitarian aid worker in Saudi Arabia, who was arrested in 2018. His brother describes how the worker's Twitter activity, which included expressing opinions on social justice and human rights, led to his targeting by authorities. The brother's public plea for information on Twitter resulted in threats, highlighting the lack of freedom of speech in the country. Despite the challenges, there is hope for positive change and resolution for those affected by similar situations.

What does the speaker hope for regarding the situation of their brother and others?

What challenges does the speaker highlight about freedom of speech in Saudi Arabia?