The phrase "blind man" can be substituted with several other terms that are more respectful or descriptive. Some suitable synonyms include "visually impaired person," "person with a visual disability," "person with low vision," or "person with a sight impairment." Such terms focus on the condition rather than the person's disability. Other acceptable and more humanized options are phrases such as "non-sighted individual," "perspectively challenged person," or "person with a visual loss." It's important to use respectful language that doesn't offend or belittle individuals with disabilities. These synonyms help us communicate inclusively and promote respect for all human beings.