rulemaker means A maker of rules: a person, deity, or other agent (usually a sentient one, in most contexts) who makes the rules.
Etymology
From rule + maker.
noun
- A maker of rules: a person, deity, or other agent (usually a sentient one, in most contexts) who makes the rules.“But if he can say, "This is my decision and if you don't like my decision you can have it reviewed" (and if the Board does its job properly and he is doing his job properly he will be supported in most of his decisions), and the decision will have been reviewed and will have been supported, we think he will act with greater courage and be a stronger rulemaker, a more decisive rulemaker than if the”