Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)
being left in an awkward position; being put in a dilemma; losing face; losing one's credibility; being disgraced
あなたが約束を守らないとお父さんの立場がなくなりますよ。Your father will lose face if you don't keep your promise.
Also written 立場が無い【たちばがない】