*pounder*

n. 1. One who, or that which, compounds or mixes; as, a compounder of medicines. [ 1913 Webster ]

2. One who attempts to bring persons or parties to terms of agreement, or to accomplish ends by compromises. “Compounders in politics.” Burke. [ 1913 Webster ]

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

Religious houses made compounders
For the horrid actions of their founders. Hudibras. [ 1913 Webster ]

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

5. (Eng. Hist.) 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 ]