recruitment

The act or business of recruiting; the act of raising new supplies of men for an army or a navy.

The act or process of recruiting; especially, the enlistment of men for an army.

The process or art of finding candidates for a post in an organization, or of recruits for the armed forces

A style or process of recruiting

The addition of new recruits to a population.

the act of getting recruits; enlisting people for the army (or for a job or a cause etc.)