What is the meaning of Camp_follower?

A civilian who follows an army, typically a family member of a soldier or someone who provides services to the soldiers, e.g. prostitution, sale of liquor, cooking and laundry.

A person who provides services to those engaged in a particular endeavor.

One who joins a group, movement, or project without being a legitimate member; one who jumps on a bandwagon.

Source: wiktionary.org