Prowadnik
Prowadnik is a Polish noun with several meanings, depending on context. It denotes a person who leads, guides, or directs others, such as in organizational settings or events. In everyday language, the term przewodnik is more common for a human guide (tour guide, mentor), while prowadnik tends to appear in more formal or technical contexts to emphasize the act of guiding or supervising.
In engineering and manufacturing, prowadnik also denotes a device that guides or directs the motion of another
Etymology: the word derives from prowadzić, “to lead,” with the agent suffix -nik. It is related to,