かせ稼kaseぐgu
1.
To engage in work or activities with the aim of generating income or profit through dedicated effort.
2.
To strive to achieve favorable results, whether in finances or performance, often requiring hard work and determination.
3.
To invest time or resources in order to manipulate a situation to one's advantage or to extend periods before making a decision or taking action.
Example:
私は自分の生活費を稼がなくてはならない。