A person or organization seeking to hire workers; the party offering a job (the employer or recruiter).
求人者は履歴書の提出を来週までに求めている。
The employer is asking applicants to submit résumés by next week.
求人者の連絡先は募集広告の末尾に書かれている。
The contact information for the recruiter is written at the end of the job advertisement.
中小企業では経営者自身が求人者になることが多い。
In small and medium-sized businesses, the owner often acts as the employer/recruiter.