자(自) – self / oneself / by oneself
The character 자(自) refers to oneself or something done independently. It is often associated with self-directed actions, personal responsibility, or something happening on its own without outside help. In Korean vocabulary, 자 appears in words related to independence, self-awareness, and autonomy. It conveys meanings connected to acting by oneself, internal control, or one’s own initiative.
단어 vocabulary
자신(自身) – oneself; oneself personally
자율(自律) – self-discipline; autonomy
자유(自由) – freedom
자동(自動) – automatic
자립(自立) – independence; self-reliance
자존감(自尊感) – self-esteem
자발적(自發的) – voluntary
각자(各自) – each person; individually
독자적(獨自的) – independent; unique
자기(自己) – oneself; self
자기소개(自己紹介) – self-introduction
자기관리(自己管理) – self-management
자기계발(自己啓發) – self-development

문장 Sentences
혼자 문제를 해결하면서 자신감이 많이 생겼어요.
By solving problems on my own, I gained a lot of self-esteem.
규칙적인 생활에는 어느 정도의 자제가 필요해요.
A regular lifestyle requires a certain level of self-discipline.
사람들은 누구나 자유를 원해요.
Everyone wants freedom.
이 문은 버튼을 누르면 자동으로 열려요.
This door opens automatically when you press the button.
부모에게서 경제적으로 자립하는 것이 쉽지 않아요.
Becoming financially independent from parents is not easy.
그는 발표에 자발적으로 참여했어요.
He participated in the presentation voluntarily.
팀 활동에서는 각자 역할이 있어요.
In team activities, each person has a role.
그는 남의 말보다 자기 생각을 더 믿어요.
He trusts his own thoughts more than others’ opinions.
회사는 신입사원 교육에 자체 프로그램을 운영해요.
The company runs an independent training program for new employees.
수업 첫날에 간단한 자기소개를 했어요.
On the first day of class, we did a brief self-introduction.