Anti-militarism means that some people don't want any more fighting or war. They don't like weapons or tanks or airplanes that can hurt people. They want people to use their words and talk to each other instead of fighting.
They believe that soldiers should not have to go and fight because it is dangerous, and many people can get hurt or die. They want everyone to be safe and happy, and they think fighting and war can lead to many problems, like people being homeless or without food.
They also think that the money and resources used to make weapons and prepare for wars could be used for things like making schools or hospitals, and helping people who need it.
But even though they don't like war, anti-militarists still think it is important to stand up for what is right and protect people who are in danger. They just want everyone to find peaceful ways to do it.