camp follower

1. N-COUNT 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. 随军流动的平民; 特指军队的家属或给军队提供物资和服务的人

2. N-COUNT If you describe someone as a camp follower, you mean that they do not officially belong to a particular group or movement but support it for their own advantage. 为自身利益而支持某组织或团体的非成员[表不满]

...the Democratic leader's friends and camp followers. ...该民主党领袖的朋友和支持他的非民主党人士。