1.
experienced person; someone with experience
A person who has prior experience in a particular field, activity, or situation. Frequently used in job listings and recruitment.
経験者優遇。
Experienced applicants preferred.
Very common in job advertisements and recruitment. Common collocations: 経験者優遇 (experienced applicants preferred — standard phrase in job ads), 経験者歓迎 (experienced applicants welcome), 経験者募集 (seeking experienced applicants). The opposite is 未経験者 (inexperienced person). The suffix ~者 (person) combines productively: 初心者 (beginner), 担当者 (person in charge).