expeller

This term carries a strong connotation of force and authority. When referring to a person, it suggests a position of power or a disciplinary role, often implying a lack of leniency. It is less common in everyday conversation than words like "evictor" or "remover," appearing more frequently in formal, legal, or institutional contexts.

In industrial settings, the word describes a specific type of machinery. Here, the focus shifts from social authority to physical pressure. It is a technical term used primarily in engineering and food processing, specifically regarding the extraction of oils or liquids from solids.