|1.||any civilian, esp a prostitute, who unofficially provides services to military personnel|
|2.||a nonmember who is sympathetic to a particular group, theory, etc|
A civilian who follows or settles near a military camp, especially a prostitute who does so. For example, The recruits were told not to associate with camp followers. [Early 1800s]
A person who sympathizes with a cause or group but does not join it. For example, She's only a camp follower so we can't count on her for a contribution.