A "fellow national" refers to a person who shares the same nationality as oneself. There are numerous synonyms that can be used instead of this phrase. Some commonly used alternatives include "compatriot," "countryman/woman," "citizen," "fellow countryman/woman," "national," "fellow citizen," "fellow compatriot," and "fellow citizen of the same country." Other potential synonyms include "patriot," "fellow member of the same nation," and "comrade from the same country." These terms all express a sense of kinship and shared identity based on nationality, and can be used in a variety of contexts, from formal to informal.