股长

person in charge of a 股[gu3] (section or department) / head / chief / director / (in a class in a school) student responsible for a specific duty, e.g. 風紀股長|风纪股长[feng1 ji4 gu3 zhang3] discipline monitor

length / long / forever / always / constantly

chief / head / elder / to grow / to develop / to increase / to enhance

thigh / part of a whole / portion of a sum / (stock) share / strand of a thread / low-level administrative unit, translated as "section" or "department" etc, ranked below 科[ke1] / classifier for long winding things like ropes, rivers etc / classifier for smoke, smells etc: thread, puff, whiff / classifier for bands of people, gangs etc / classifier for sudden forceful actions