arbitrary or wilful ruler
1despot — n. 1. Autocrat, dictator, absolute sovereign, absolute ruler. 2. Tyrant, oppressor, arbitrary or wilful ruler …
2Cromwell, Oliver — born April 25, 1599, Huntingdon, Huntingdonshire, Eng. died Sept. 3, 1658, London English soldier and statesman, lord protector of the republican Commonwealth of England, Scotland, and Ireland (1653–58). He was elected to Parliament in 1628, but… …