~ための (for the sake of)
grammar3 sentences
The attributive form of ~ために: V(plain) or N + (の) ための + N = 'N for the purpose of V-ing / for N / for the sake of N.' Modifies the following noun directly with a purpose — やせるための方法 ('methods for losing weight'), 健康のための運動 ('exercise for health'), 子供のための本 ('books for children').