闘士|とうしtoushi[1]atamadaka (head-high)

1. nounfighter (for); militant; champion (of); boxer

• Synonym戦士せんしNeutral「戦士」 is a soldier who goes into battle, or one who fights for an ideal; it stresses the combat role, while 「闘士」 stresses the fighting spirit.
• Related活動家かつどうかNeutral「活動家」 is a person actively engaged in political or social movements; it stresses action and carries no sense of combat.
• Related武者むしゃNeutral「武者」 means a samurai or man of arms, as in 「武者修行」; it has an archaic flavor.
• Antonym非戦闘員ひせんとういんNeutralThe antonym 「非戦闘員」 is a civilian, or a member of the military in a non-combat role; it stands opposite to the combative 「闘士」.

Use 「闘士」 for someone who fights fervently for a cause or belief, as in 「労働運動の闘士」, or for a soldier on the battlefield. Say 「戦士」 for combatants, 「活動家」 for activists, 「武者」 for old-time warriors, and 「非戦闘員」 for the opposite.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 戦場せんじょうで戦たたかう兵士へいし。
2. 主義しゅぎや信念しんねんを持もって熱心ねっしんに社会しゃかい運動うんどうなどで活躍かつやくする人ひと。