amateur
n.
1784, "one who has a taste for (something)," from French amateur "lover of," from Latin amatorem (nominative amator) "lover," agent noun from amatus, past participle of amare "to love" (see Amy). Meaning "dabbler" (as opposed to professional) is from 1786. As an adjective, by 1838.
〔蒋〕[am爱，-ateur=-ator表示人] 业余爱好者
〔李〕[amat=to love; -eur (-er) n.=person 人→“persaon who does something for loving it (rather than for money)因爱好（不是为金钱）从事某项活动者”→] n. person who practices an art, sport or science for his own pleasure（艺术、体育、科学等）业余爱好者