募

A phono-semantic compound composed of:

力 — semantic component meaning “force; effort”;

莫 — phonetic component indicating the sound (모 / mù). The character conveys the idea of using effort to gather or assemble, leading to meanings like recruiting or collecting.
Semantic development: - to gather using effort; - to recruit people; - to collect funds or resources.

모집 (募集) — recruitment; collecting applicants

공모 (公募) — public offering; open recruitment

募 is widely used in modern contexts such as job recruitment, volunteer calls, and fundraising campaigns. It often implies an active effort to gather participants or resources rather than passive collection.
Related characters: 集 — to gather; to assemble

招 — to invite; to recruit

徴 — to levy; to recruit