He is a guerrilla fighting for his people.

他是一名游击队员，为自己的人民而战。

youdao

In the 19th century, Balkan people used guerrilla fighting against the Ottoman empire.

在十九世纪，巴尔干半岛人用游击战反抗奥斯曼帝国。

youdao

According to VOA sources in Somalia, many foreigners are based at al-Shabab training camps in the towns of Marka,Barawe,and Kismayo, teaching thousands of recruits bomb-making skills and guerrilla fighting tactics.

VOA: standard.2009.12.23

They have been repeatedly displaced by fighting between the nation's largest guerrilla group, the Revolutionary Armed Forces of Colombia,or FARC, and a right-wing paramilitary group called the United Self-Defense Forces of Colombia.

VOA: standard.2009.03.22

The soldiers belonged to an anti-guerrilla battalion fighting members of the Revolutionary Armed Forces of Colombia (Farc) in the San Vicente de Caguan area.

BBC: Map locator

Nintendo and Sony are fighting the old war while the guerrilla attacks from mobile and social game companies steal a few seconds more of the consumer leisure time with each passing day.

FORBES: Does PS Vita Mark the End of Portable Game Consoles?