1. a person who advocates or is devoted to an ideology; someone who promotes a particular set of ideas or beliefs
Usage: often used neutrally to describe someone committed to a political, social, or philosophical ideology
2. a person who develops or studies ideology as a system of ideas
Usage: academic or theoretical context

Examples

• The political ideologist spent years developing a comprehensive framework for social reform.
• She was known as a committed ideologist who refused to compromise on her principles.
• The ideologist's writings influenced an entire generation of activists.
• Some critics dismissed him as a rigid ideologist rather than a practical leader.
• The conference brought together ideologists from different countries to debate economic systems.
• He transitioned from being a strict ideologist to a more flexible pragmatist over time.