利己主义

egoism

sharp / favorable / advantage / benefit / profit / interest / to do good to / to benefit

personal profit / to benefit oneself

self / oneself / sixth of the ten Heavenly Stems 十天干[shi2 tian1 gan1] / sixth in order / letter "F" or Roman "VI" in list "A, B, C", or "I, II, III" etc / hexa

owner / master / host / individual or party concerned / God / Lord / main / to indicate or signify / trump card (in card games)

-ism / ideology

surname Yi / (Tw) abbr. for 義大利|义大利[Yi4 da4 li4], Italy

justice / righteousness / meaning / foster (father etc) / adopted / artificial (tooth, limb etc) / relationship / friendship