This is the 8952nd most frequent Russian word.
рабочий
"Рабочий" means "worker" or "working" in English.
In this sentence, "рабочий" means "worker," referring to a person who performs labor or tasks associated with repair or construction.
Рабочий приготовил инструменты для ремонта.
The worker prepared tools for the repair.
Here, "рабочий" modifies "процесс" ("process") and means "work-related," describing the process associated with performing tasks or activities.
В этом здании рабочий процесс организован очень эффективно.
In this building, the work process is organized very efficiently.
In the last example, "рабочий" describes "день" ("day") and means "workday" or "a day designated for performing work.