i totally forgot how to read english while reading that
The first sentence is the topic sentence in this paragraph.
Mother jones was a prominent union organizer, community organizer, and activist. She helped coordinate major strikes and co-founded the Industrial Workers of the World. She worked with the Knights of Labor, often giving speeches to inspire the workers during strikes. Around this time, she traveled to numerous strike sites, helping coal miners in Pennsylvania in 1873 and railroad workers in 1877.
This means he is overcome with fear.