ancient tribes in eastern China / level (flat and low) / levelled destruction

(historical) Synonym of 蝦夷 (Ezo): an ancient ethnic group attested in the Nihon Shoki that once lived on what is now the Kantō, Hokuriku and Tōhoku regions, likely as far as Hokkaido, possibly related to the Ainu people; dubbed as "barbarians" or "savages" by the Yamato

a surname / alternative spelling of 恵比須 (Ebisu), a Shinto god

those people with differing languages and/or cultures / a barbarian, savage; uncivilized people (living to the east of ancient Imperial China; included Japan) / a neutral (position)

get, acquire, gain, obtain, win, catch / be able to, can / (in the form ざるを得ない following the imperfective form of a verb) cannot help but doing, cannot but do

to obtain (benefit) / be able to, -able

cannot

language, speech

those (referring to things distant from the speaker)

(idiomatic) support, take someone's side, stand by someone