Definitions

1. noun

a person who is a follower or supporter of a particular person or movement, especially one who is seen as being unscrupulous or deceitful

“The politician was accused of being an Adullamite, using his charm to win over his constituents.”

2. noun

a person who is a member of a secret or exclusive group, often engaged in deceitful or unscrupulous activities

“The whistleblower revealed the existence of an Adullamite group within the company, engaged in corrupt practices.”