達也, 達矢, 竜也, 辰弥, 達哉, 辰哉: a male given name

タチウオ: Largehead hairtail, a species of fish

立場: position

龍野: / Tatsuno (a city in Hyōgo Prefecture, Japan)

成り立つ: to consist of, to be composed of; to reach, to be concluded; to be buildable, to be constructible.

ground in a situation

fighting with tachi (swords) / (figuratively, often used with negation) competition

to fight with tachi (swords) / (figuratively) to compete

shooting while standing

to shoot while standing