sentences:  Chavchavadze joined the expedition against the rebellious mountain people of the North Caucasus.Like his many fellow Georgian nobles, he found a good opportunity to take revenge for the numerous past raids on the Georgian marches organised by North Caucasus tribes.He was promoted to lieutenant general in 1841, and continued his service in the Caucasus, briefly as head of the civil administration of the region from 1842 to 1843.