The term "chroniker" refers to a person who suffers from a chronic illness or condition. There are several synonyms that can be used in place of this word, such as "long-term patient," "chronic sufferer," or "chronic disease survivor." Another term that can be used is "chronic illness warrior," which carries a more positive connotation and emphasizes the strength and resilience of those who live with chronic illnesses. Other synonyms include "chronic disorder patient," "chronic illness patient," or simply "chronic patient." Regardless of the term used, it's important to remember that individuals who live with chronic illnesses are brave and deserve empathy and support.