Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: This is the man who sleeps outside Mark Zuckerberg's $10 million mansion shouting threats and abuse at his bodyguards. William Gordon Kinzer, who is homeless, moved to San Francisco from his native Florida in May, and has not left the Facebook CEO's idyllic tree-lined street. The 61-year-old former accountant spends his days harassing Zuckerberg's 10 security guards, calling them 'monkeys' and 'slaves', and asking them: 'How does it feel to work for a thug? ', according to court papers. After weeks of abuse, San Francisco Superior Court approved a workplace violence restraining order on July 8, which bans Kinzer from coming within 500 yards of the property on Fair Oaks Street.William 'Gordon' Kinzer, 61, moved to San Francisco from Florida in MayHe sleeps in his car outside Facebook CEO's home harassing guardsCourt papers say he calls them 'monkeys' and Zuckerberg a 'terrorist'A 500-yard restraining order against him was approved on July 8But he has violated it twice and is now spending 85 days in jail 
 Question:He added: '_’s demeanor appears to be getting more aggressive each time he contacts me, which has caused me to be concerned for my safety.'

William Gordon Kinzer