利り己こ主しゅ義ぎ者しゃりこしゅぎしゃMeanings1nounegoistA person who acts based on self-interest, often at the expense of others. Can be used in both critical and descriptive contexts.彼かれは自じ分ぶんのことしか考かんがえない利り己こ主しゅ義