sian-tōo先導

guide

guide; forerunner; pioneer; precursor; vanguard; leader; to lead the way; to take the lead

English Wiktionary, “先導” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%85%88%E5%B0%8E · confidence: Medium (Wiktionary, Hokkien)