recruit
n. countablen. a person who has recently joined a group, such as a company or the army. You are a recruit when you are still learning the basic rules of your new job.
n. a person newly enlisted in the armed forces or recently joined to an organisation. Often implies a period of initial training or probation before full integration.
The new recruit starts his training on Monday morning.
The company is looking for a fresh recruit to join the marketing team as a junior assistant.
While the seasoned officers maintained a stoic silence, the nervous recruit struggled to keep his equipment organized during the first week of intensive field exercises.
From French recruter (as a verb).
Often used with the adjective 'new' despite the word itself implying a recent arrival.