役立つ

やくだつ

to be useful, to be helpful, to serve the purpose

立役

たてやく

leading actor, protagonist

役に立てる

やくにたてる

to put to use; to make good use of; to exploit

立場に立つ

たちばにたつ

to stand in (someone's) place, to be in a (certain) position

立ち役

たちやく

leading male role in kabuki

立役者

leading actor; star

役に立たない

やくにたたない

of no avail, useless

用に立つ

ようにたつ

to be of use (service)

世に立つ

よにたつ

to become famous

トイレに立つ

トイレにたつ

to go to the bathroom, to go to the restroom, to excuse oneself

目に立つ

めにたつ

to be conspicuous; to stand out

間に立つ

あいだにたつ

to mediate, to intervene

先に立つ

さきにたつ

to lead, to take the initiative

トップに立つ

トップにたつ

to lead; to take the lead; to be in a top position

役にも立たない

やくにもたたない

of no use whatsoever, good for nothing, useless

役立てる

やくだてる

to put to use, to make use of, to turn to account

立て役者

たてやくしゃ

leading actor, person who acts as driving force behind something, key figure, leading spirit, central figure

役立たず

やくたたず やくだたず

useless, deadhead

人目に立つ

ひとめにたつ

to be conspicuous, to attract public attention