a person upholding the National Covenant of 1638 or the Solemn League and Covenant of 1643 between Scotland and England to establish and defend Presbyterianism
covenanter in American English
(ˈkʌvənəntər; for 2, also ˌ kʌvəˈnæntər)
noun
1.
a person who enters into a covenant
2. [C-]
a person who supported either of the Scottish Presbyterian Covenants