戦う, 闘う, たたかう
Conjugated: 戦いましょう
Godan verb, Intransitive, esp. 戦う
1. to make war (on), to wage war (against), to go to war (with), to fight (with), to do battle (against)
2. to compete (against)
esp. 闘う
3. to struggle (against adversities, etc.), to contend, to resist
おまえも決して戦う拳を忘れるな。