One who, or that which, compounds or mixes; as, a compounder of medicines.  [1913 Webster]

 One who attempts to bring persons or parties to terms of agreement, or to accomplish ends by compromises.  Burke.  [1913 Webster]

 One who compounds a debt, obligation, or crime.  [1913 Webster]

 One at a university who pays extraordinary fees for the degree he is to take.  A. Wood.  [1913 Webster]

 A Jacobite who favored the restoration of James II, on condition of a general amnesty and of guarantees for the security of the civil and ecclesiastical constitution of the realm.  [1913 Webster]