plant hobbyist植物爱好者
PRO HOBBYIST水族普罗
hobbyist pursuit嗜好者
Hobbyist Hacker电脑骇客痴
Or Hobbyist或业余爱好者
computer hobbyist[计] 计算机爱好者;计算器业余爱好者
hobbyist detail有某种癖好者
Hobbyist magazines业余爱好杂志
The Hobbyist想要找点好玩的事
N-COUNT（可数名词） You can refer to person who is very interested in a particular hobby and spends a lot of time on it as a hobbyist. 嗜好成癖者