Synonyms of self-interest in English:

self-interest


See US English definition of self-interest

See UK English definition of self-interest

noun

1‘laissez-faire is an economic system based on individualism and self-interest’

SYNONYMS
self-seeking, self-serving, self-obsession, self-absorption, self-regard, egocentrism, egotism, egomania, introversion, selfishness
lack of consideration, inconsiderateness, thoughtlessness, unthinkingness
informal looking after number one
ANTONYMS

altruism, generosity