A hero is a person who changes the world. A hero is also a person who saves lives such as policemen and doctors. Being a hero means helping the community and making a better world. It also means helping injured men and women. One hero is Marin Luther King, a person who fought against segregation and risked his life. Some heroes risk losing their lives doing their jobs to protect their country. Firefighters are everyday heroes that could have been a hero many times. Military officers are heroes because they help us during rough times and fight to defend our independence. Lastly, a hero is a person that has shown great courage and sacrifice.