"Most nonstaff" can be described using several synonyms based on the context in which it is used. When referring to individuals who are not employed by an organization, "outsiders," "contractors," and "freelancers" are suitable substitutes for "most nonstaff." If the focus is on the exclusion of a particular group, "nonmembers," "non-participants," or "non-attendants" may be used. In some cases, it may be more precise to say "temporary," "interim," or "seasonal" instead of "nonstaff" to refer to people who are working on a short-term basis. Overall, using appropriate synonyms helps to convey the intended meaning accurately and effectively.