volitional form of やる (yaru) [godan]

volitional form of や (ya, “is, are”)

(archaic, dialect) “isn't it?” / (archaic, dialect) expresses uncertainty or indefiniteness

(informal, colloquial, slang) not do

槍: spear

stem or continuative form of やる (yaru) [godan]

(informal, Kansai dialect) isn't it? right?

staging an event

to be done in by / to suffer damage; to be had

passive of やる (yaru, “to do”)