Com-pound'er, n.
n. 1. One who compounds or mixes different things; as, a compounder of medicine.
Sense 2. One who attempts to bring parties to terms of agreement. “Compounders in politics.” Burke.
Sense 3. One who compounds a debt, obligation, or crime.
Religious houses made compounders For the horrid actions of their founders. Hudibras.
Sense 4. One at a university who pays extraordinary fees for the degree he is to take. Wood.