Translation guide
A person who campaigns to bring about political or social change.
Referring to someone involved in activism, especially in political or social movements.
The most common and neutral term for an activist. Used for people actively involved in social or political movements.
彼女は環境活動家です。
She is an environmental activist.
その活動家は平和的な抗議を組織した。
The activist organized a peaceful protest.
Similar to 活動家, but often emphasizes involvement in a specific movement (運動). Slightly more formal or literary.
彼は公民権運動家として知られている。
He is known as a civil rights activist.
Loanword from English. Used in modern contexts, often for global or trendy activism. Can sound slightly fashionable.
若いアクティビストたちが気候変動に抗議した。
Young activists protested against climate change.
Specifically someone engaged in political activism, often with a cause or party affiliation.
Explicitly a political activist. Used when the political nature is important.
彼は長年、政治活動家として活動してきた。
He has been active as a political activist for many years.
Similar to 政治活動家, but emphasizes involvement in a political movement.
その政治運動家は新しい政党を立ち上げた。
The political activist founded a new political party.
Someone working for social change, such as human rights, gender equality, etc.
Standard term for a social activist. Covers a wide range of social issues.
彼女は女性の権利のための社会活動家です。
She is a social activist for women's rights.
Emphasizes participation in a social movement. Slightly more formal.
社会運動家たちは貧困撲滅を訴えた。
Social activists called for the eradication of poverty.
Describing an activist focused on a particular issue, like environment, peace, etc.
活動家 is the most versatile and widely understood term. 運動家 is slightly more formal and emphasizes being part of a movement. In everyday conversation, 活動家 is preferred.
彼は環境活動家です。
He is an environmental activist.
活動者 is not a standard term for activist. It might be understood but sounds unnatural. Stick to 活動家 or 運動家.