also camp-follower
(~s)
1.
If you describe someone as a ~, you mean that they do not officially belong to a particular group or movement but support it for their own advantage.
...the Tory leader’s friends and ~s.
N-COUNT disapproval
2.
Camp followers are people who travel with an army or other group, especially members of soldiers’ families, or people who supply goods and services to the army.
N-COUNT